1、new 一個窗體，然后設置窗體屬性。
2、添加數據展示控件，顯示數據。
3、添加按鈕控件，調用導出Excel代碼，實現導出Excel功能。
using System; using System.Collections.Generic; using System.Data; using System.Drawing; using System.IO; using System.Linq; using System.Text; using System.Threading; using System.Windows.Forms; using DevExpress.Utils; using DevExpress.XtraEditors; using DevExpress.XtraGrid; using DevExpress.XtraGrid.Views.Grid; using DevExpress.XtraTab; using SynData.MsBox; namespace SynData { public class DevHelper { #region =======================================彈出消息框========================================= /// <summary> /// 彈出消息框，大消息 /// </summary> /// <param name="title">顯示標題</param> /// <param name="msg">彈出消息框</param> /// <returns></returns>F:\MyBak\Web_Code\數據通同步\SynData\MsBox\MsMBox.cs public static void MesBox(string title) { MsMBox f = new MsMBox(title, 1); f.Show(); } /// <summary> /// 彈出消息框，大消息 /// </summary> /// <param name="title">顯示標題</param> /// <param name="msg">彈出消息框</param> /// <returns></returns>F:\MyBak\Web_Code\數據通同步\SynData\MsBox\MsDialogResult.cs public static void MsDialogResult(string msg) { MsDialogResult f = new MsDialogResult(msg, true); f.ShowDialog(); } /// <summary> /// 彈出消息框，大消息 /// </summary> /// <param name="title">顯示標題</param> /// <param name="msg">彈出消息框</param> /// <returns></returns>F:\MyBak\Web_Code\數據通同步\SynData\MsBox\MsDialogResult.cs public static void MsDialogResult(string msg, bool bl) { MsDialogResult f = new MsDialogResult(msg, bl); f.ShowDialog(); } #endregion #region ========================================GridLookUpEdit 數據顯示======================================== /// <summary> /// GridLookUpEdit 數據顯示 /// </summary> /// <param name="gridLookUpEdit">GridLookUpEdit</param> /// <param name="sql">sql 語句</param> /// <param name="displaymember">綁定Text顯示的字段源名稱</param> /// <param name="valuemember">綁定Value字段源名稱</param> /// <param name="ConnectionStringLocalTransaction">連接字符串</param> public static void GetApiisid(GridLookUpEdit gridLookUpEdit, string sql, string displaymember, string valuemember, string ConnectionStringLocalTransaction) { DataTable dt = SQlHelper.GetDataTable(ConnectionStringLocalTransaction, sql ).Tables[0]; gridLookUpEdit.Properties.View.OptionsBehavior.AutoPopulateColumns = false; gridLookUpEdit.Properties.DataSource = dt; //數據源 gridLookUpEdit.Properties.DisplayMember = displaymember; //綁定Text顯示的字段源名稱 gridLookUpEdit.Properties.ValueMember = valuemember; //綁定Value字段源名稱 gridLookUpEdit.Properties.NullText = null; gridLookUpEdit.Properties.AllowNullInput = DevExpress.Utils.DefaultBoolean.True; gridLookUpEdit.Properties.View.BestFitColumns(); gridLookUpEdit.Properties.View.OptionsView.ShowAutoFilterRow = true; //顯示不顯示grid上第一個空行,也是用於檢索的應用 } #endregion #region ===========================================GridContrl表格樣式設計，可以導出數據。======================================== /// <summary> /// 表格樣式設計，可以導出數據。 /// </summary> /// <param name="GCOrderItem">GridControl</param> /// <param name="TableName">表名</param> /// <param name="istype">是否依類型顯示數據</param> /// <param name="constr">數據庫連接字符串</param> public static void GetSetGridContrl(GridControl GCOrderItem, string TableName, string istype, string constr) { GridView gridView1 = (GridView)GCOrderItem.MainView; gridView1.IndicatorWidth = 40; gridView1.OptionsView.ShowAutoFilterRow = true; gridView1.OptionsView.ColumnAutoWidth = false; //自動列寬,會出現橫向滾動條 gridView1.OptionsView.ColumnAutoWidth = false; //自動列寬 gridView1.BestFitColumns(); StringBuilder sb = new StringBuilder(); sb.Append("SELECT "); sb.Append(" TableName,TableReMark,FileNames,FileReMark,LONG ,type2,LONG2 "); sb.Append("FROM dbo.Lan_TableField "); sb.Append("WHERE TableName = '" + TableName + "' order by SortNo "); DataTable dt = SQlHelper.GetDataTable(constr, sb.ToString()).Tables[0]; for (int i = 0; i < dt.Rows.Count; i++) { string filename = dt.Rows[i]["FileNames"].ToString().Trim(); string rem = dt.Rows[i]["FileReMark"].ToString().Trim(); string FILETYPE = dt.Rows[i]["type2"].ToString().Trim().ToUpper(); int LONG = Convert.ToInt32(dt.Rows[i]["LONG2"].ToString().Trim()); DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn(); Col1.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near; if (istype == "依類型") { if (FILETYPE == "時間") { Col1.DisplayFormat.FormatType = FormatType.DateTime; Col1.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss"; } if (FILETYPE == "數值") { Col1.DisplayFormat.FormatType = FormatType.Numeric; } } Col1.Width = LONG; if (LONG < 60) { Col1.Width = 100; } Col1.Tag = filename + " ; " + rem; Col1.Name = filename; Col1.FieldName = filename; Col1.Caption = rem; Col1.VisibleIndex = i; gridView1.Columns.Add(Col1); } gridView1.OptionsView.ShowGroupPanel = false; gridView1.Appearance.OddRow.BackColor = Color.PaleGoldenrod; // 設置奇數行顏色 // 默認也是白色 可以省略 gridView1.OptionsView.EnableAppearanceOddRow = true; // 使能 // 和和上面綁定 同時使用有效 gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 設置偶數行顏色 gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面綁定 同時使用有效 gridView1.CustomDrawRowIndicator += gridView1_CustomDrawRowIndicator; } #endregion #region ================================================彈出導出Excel窗體方法================================================ /// <summary> /// 將 DataRow[] 集合顯示到表中 /// </summary> /// <param name="Mdr"></param> public static void ExprlDataRow(DataRow[] Mdr) { if (Mdr != null) { DataTable newdt = new DataTable(); try { DataTable DTtemp = Mdr[0].Table; newdt = DTtemp.Clone(); for (int i = 0; i < Mdr.Length; i++) { newdt.ImportRow((DataRow)Mdr[i]); } } catch (Exception ex) { MessageBox.Show(ex.Message); } ExprlDataTable(newdt); } } /// <summary> /// 將 DataRow 顯示到表中 /// </summary> /// <param name="Mdr"></param> public static void ExprlDataRow(DataRow Mdr) { if (Mdr != null) { DataTable newdt = new DataTable(); try { DataTable DTtemp = Mdr.Table; newdt = DTtemp.Clone(); newdt.ImportRow((DataRow)Mdr); } catch (Exception ex) { MessageBox.Show(ex.Message); } ExprlDataTable(newdt); } } /// <summary> /// 彈出異常消息框，可導出數異常數據 /// </summary> /// <param name="TableName">異常數據表名</param> /// <param name="dt">異常消息表</param> /// <param name="fText">彈出框顯示文本</param> /// <param name="con">連接字符串</param> public static void ExprlDataTable(DataTable dt) { /*------------------------------創建窗體-------------------------------------*/ Form f = GetSetFrom(); /*------------------------------創建Panel容器-------------------------------------*/ Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]); /*------------------------------------數據展示----------------------------------------*/ if (dt != null) { /*------------------------------ 添加選卡控件-------------------------------------*/ XtraTabControl tab = new XtraTabControl(); tab.Name = "XTC"; pl.Controls.Add(tab); tab.Dock = System.Windows.Forms.DockStyle.Fill; /*------------------------------ 創建選卡-------------------------------------*/ XtraTabPage xtra = new XtraTabPage(); xtra.Name = dt.TableName;//設置選卡name xtra.Text = dt.TableName;//設置選卡顯示文本 /*------------------------------ 創建數據展示控件GridControl------------------*/ DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(dt); xtra.Controls.Add(GCOrderItem); tab.TabPages.Add(xtra); f.Show(); } } /// <summary> /// 彈出異常消息框，可導出數異常數據 /// </summary> /// <param name="TableName">異常數據表名</param> /// <param name="dt">異常消息表</param> /// <param name="fText">彈出框顯示文本</param> /// <param name="con">連接字符串</param> public static void ExprlDataSet(DataSet ds) { /*------------------------------創建窗體-------------------------------------*/ Form f = GetSetFrom(); /*------------------------------創建Panel容器-------------------------------------*/ Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]); /*------------------------------------數據展示----------------------------------------*/ if (ds != null) { /*------------------------------ 添加選卡控件-------------------------------------*/ XtraTabControl tab = new XtraTabControl(); tab.Name = "XTC"; pl.Controls.Add(tab); tab.Dock = System.Windows.Forms.DockStyle.Fill; for (int t = 0; t < ds.Tables.Count; t++) { DataTable dt = ds.Tables[t]; /*------------------------------ 創建選卡-------------------------------------*/ XtraTabPage xtra = new XtraTabPage(); xtra.Name = dt.TableName;//設置選卡name xtra.Text = dt.TableName;//設置選卡顯示文本 /*------------------------------ 創建數據展示控件GridControl------------------*/ DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(dt); xtra.Controls.Add(GCOrderItem); tab.TabPages.Add(xtra); } f.Show(); } } /// <summary> /// 彈出異常消息框，可導出數異常數據 /// </summary> /// <param name="TableName">異常數據表名</param> /// <param name="dt">異常消息表</param> /// <param name="fText">彈出框顯示文本</param> /// <param name="con">連接字符串</param> public static void ExprlDictionary(Dictionary<string, DataTable> Dic) { /*------------------------------創建窗體-------------------------------------*/ Form f = GetSetFrom(); /*------------------------------創建Panel容器-------------------------------------*/ Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]); /*------------------------------------數據展示----------------------------------------*/ if (Dic != null) { /*------------------------------ 添加選卡控件-------------------------------------*/ XtraTabControl tab = new XtraTabControl(); tab.Name = "XTC"; pl.Controls.Add(tab); tab.Dock = System.Windows.Forms.DockStyle.Fill; foreach (KeyValuePair<string, DataTable> item2 in Dic) { DataTable dt = item2.Value; /*------------------------------ 創建選卡-------------------------------------*/ XtraTabPage xtra = new XtraTabPage(); xtra.Name = dt.TableName;//設置選卡name xtra.Text = dt.TableName;//設置選卡顯示文本 /*------------------------------ 創建數據展示控件GridControl------------------*/ DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(dt); xtra.Controls.Add(GCOrderItem); tab.TabPages.Add(xtra); } f.Show(); } } /// <summary> /// 彈出異常消息框，可導出數異常數據 /// </summary> /// <param name="TableName">異常數據表名</param> /// <param name="dt">異常消息表</param> /// <param name="fText">彈出框顯示文本</param> /// <param name="con">連接字符串</param> public static void ExprlList(List<DataTable> Dic) { /*------------------------------創建窗體-------------------------------------*/ Form f = GetSetFrom(); /*------------------------------創建Panel容器-------------------------------------*/ Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]); /*------------------------------------數據展示----------------------------------------*/ if (Dic != null) { /*------------------------------ 添加選卡控件-------------------------------------*/ XtraTabControl tab = new XtraTabControl(); tab.Name = "XTC"; pl.Controls.Add(tab); tab.Dock = System.Windows.Forms.DockStyle.Fill; foreach (DataTable item2 in Dic) { /*------------------------------ 創建選卡-------------------------------------*/ XtraTabPage xtra = new XtraTabPage(); xtra.Name = item2.TableName;//設置選卡name xtra.Text = item2.TableName;//設置選卡顯示文本 /*------------------------------ 創建數據展示控件GridControl------------------*/ DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(item2); xtra.Controls.Add(GCOrderItem); tab.TabPages.Add(xtra); } f.Show(); } } /// <summary> /// 創建From 以及Panel /// </summary> /// <returns></returns> public static Form GetSetFrom() { /*------------------------------創建窗體-------------------------------------*/ Form f = new Form(); f.Text = "數據展示";//dt2.Rows[0]["TableReMark"].ToString();//顯示窗體名稱 f.StartPosition = FormStartPosition.CenterScreen; f.Size = new System.Drawing.Size(560, 470); f.FormClosing += f_FormClosing; /*-----------------------------創建導出按鈕--------------------------------------*/ Label LbtnExcel = new Label(); LbtnExcel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; LbtnExcel.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(0)))), ((int)(((byte)(192))))); LbtnExcel.Image = global::SynData.Properties.Resources.get_mail_24px_33246_easyicon_net; LbtnExcel.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft; LbtnExcel.Location = new System.Drawing.Point(432, 5); LbtnExcel.Name = "label14"; LbtnExcel.Size = new System.Drawing.Size(100, 29); LbtnExcel.TabIndex = 0; LbtnExcel.Text = "導出Excel"; LbtnExcel.Font = new System.Drawing.Font("微軟雅黑", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); LbtnExcel.TextAlign = System.Drawing.ContentAlignment.MiddleRight; LbtnExcel.Click += new System.EventHandler(BtnExprl_Click); LbtnExcel.MouseEnter += new System.EventHandler(label_MouseEnter);//鼠標移到控件上時手型鼠標 LbtnExcel.MouseLeave += new System.EventHandler(label_MouseLeave);//鼠標移到控件上時手型鼠標 LbtnExcel.Anchor = ((System.Windows.Forms.AnchorStyles)(System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)); //窗體添加按鈕 f.Controls.Add(LbtnExcel); /*------------------------------創建Panel容器-------------------------------------*/ Panel pl = new Panel(); pl.Location = new System.Drawing.Point(8, 40); pl.Size = new System.Drawing.Size(530, 380); f.Controls.Add(pl); //上下左右靠攏 pl.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); pl.Name = "FPL"; return f; } /// <summary> /// 返回綁定好數據的 GridControl /// </summary> /// <param name="dt">綁定的數據</param> /// <returns></returns> public static GridControl CreateGCOrderItem(DataTable dt ) { /*------------------------------ 創建數據展示控件GridControl------------------*/ GridView gridView1 = new GridView(); DevExpress.XtraGrid.GridControl GCOrderItem = new DevExpress.XtraGrid.GridControl(); GCOrderItem.Dock = System.Windows.Forms.DockStyle.Fill; GCOrderItem.MainView = gridView1; GCOrderItem.Name = "GC" + dt.TableName;//設置GridControl名稱 GCOrderItem.ViewCollection.AddRange(new DevExpress.XtraGrid.Views.Base.BaseView[] { gridView1 }); gridView1.GridControl = GCOrderItem; gridView1.Name = "gV" + dt.TableName;//設置gridView1名稱 gridView1.OptionsBehavior.Editable = false; gridView1.OptionsBehavior.EditorShowMode = DevExpress.Utils.EditorShowMode.Click; gridView1.OptionsView.ShowGroupPanel = false; gridView1.IndicatorWidth = 40; gridView1.OptionsView.ShowAutoFilterRow = true; gridView1.OptionsView.ColumnAutoWidth = false;//自動列寬,會出現橫向滾動條 //自動列寬 gridView1.BestFitColumns(); if (dt.Rows.Count > 0) { for (int i = 0; i < dt.Columns.Count; i++) { //控件添加列 DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn(); if (dt.Columns[i].DataType.ToString() =="System.DateTime") { Col1.DisplayFormat.FormatType = FormatType.DateTime; Col1.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss"; } Col1.Name = dt.Columns[i].Caption.ToString();// 控件列名 Col1.FieldName = dt.Columns[i].Caption.ToString();// 列數據源字段名 Col1.Caption = dt.Columns[i].Caption.ToString();// 列標題 Col1.VisibleIndex = i; Col1.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near; //Col1.DisplayFormat.FormatType = dt.Columns[i].DataType; gridView1.Columns.Add(Col1); } } gridView1.Appearance.OddRow.BackColor = Color.PaleGoldenrod; // 設置奇數行顏色 // 默認也是白色 可以省略 gridView1.OptionsView.EnableAppearanceOddRow = true; // 使能 // 和和上面綁定 同時使用有效 gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 設置偶數行顏色 gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面綁定 同時使用有效 /* 自動添加 行索引 以及 模糊查詢設置*/ gridView1.CustomDrawRowIndicator += new DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventHandler(gridView1_CustomDrawRowIndicator); GCOrderItem.DataSource = dt;//數據源綁定 return GCOrderItem; } /// <summary> /// 彈出異常消息框，可導出數異常數據 /// </summary> /// <param name="TableName">異常數據表名</param> /// <param name="dt">異常消息表</param> /// <param name="fText">彈出框顯示文本</param> /// <param name="con">連接字符串</param> public static void GetSetGridContrl(string TableName, DataTable dt, string con) { StringBuilder sb = new StringBuilder(); sb.Append("SELECT "); sb.Append(" TableName,TableReMark,FileNames,FileReMark,LONG ,type2,LONG2 "); sb.Append("FROM dbo.Lan_TableField "); sb.Append("WHERE TableName = '" + TableName + "' order by SortNo "); DataTable dt2 = SQlHelper.GetDataTable(con, sb.ToString()).Tables[0]; Form f = new Form(); f.StartPosition = FormStartPosition.CenterScreen; f.Size = new System.Drawing.Size(560, 470); //f.Text = fText; f.FormClosing += f_FormClosing; GridView gridView1 = new GridView(); DevExpress.XtraGrid.GridControl GCOrderItem = new DevExpress.XtraGrid.GridControl(); GCOrderItem.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); Button btn = new Button(); btn.Text = "導出Excel"; btn.Click += btn_Click; btn.Location = new System.Drawing.Point(460, 5); btn.Anchor = ((System.Windows.Forms.AnchorStyles) (System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right) ); btn.Size = new System.Drawing.Size(80, 29); f.Controls.Add(btn); Label lb = new Label(); lb.Name = "lbExcel"; lb.Location = new System.Drawing.Point(80, 80); lb.Visible = false; lb.ForeColor = Color.Red; lb.Font = new System.Drawing.Font("微軟雅黑", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); GCOrderItem.Cursor = System.Windows.Forms.Cursors.Default; //GCOrderItem.Dock = System.Windows.Forms.DockStyle.Fill; GCOrderItem.Location = new System.Drawing.Point(8, 40); GCOrderItem.MainView = gridView1; GCOrderItem.Name = "GCOrderItem"; GCOrderItem.Size = new System.Drawing.Size(530, 380); GCOrderItem.ViewCollection.AddRange(new DevExpress.XtraGrid.Views.Base.BaseView[] { gridView1}); f.Controls.Add(GCOrderItem); gridView1.GridControl = GCOrderItem; gridView1.Name = "gridView1"; gridView1.OptionsBehavior.Editable = false; gridView1.OptionsBehavior.EditorShowMode = DevExpress.Utils.EditorShowMode.Click; gridView1.OptionsView.ShowGroupPanel = false; gridView1.IndicatorWidth = 40; gridView1.OptionsView.ShowAutoFilterRow = true; gridView1.OptionsView.ColumnAutoWidth = false; //自動列寬,會出現橫向滾動條 gridView1.OptionsView.ColumnAutoWidth = false; //自動列寬 gridView1.BestFitColumns(); if (dt2.Rows.Count > 0) { string FILETYPE = ""; for (int i = 0; i < dt2.Rows.Count; i++) { DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn(); Col1.Name = dt2.Rows[i]["FileNames"].ToString();// itm.Key; Col1.FieldName = dt2.Rows[i]["FileNames"].ToString();// itm.Key; Col1.Caption = dt2.Rows[i]["FileReMark"].ToString(); //itm.Value; Col1.VisibleIndex = i; Col1.Width = Convert.ToInt32(dt2.Rows[i]["LONG2"].ToString()); Col1.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near; FILETYPE = dt2.Rows[i]["type2"].ToString().Trim().ToUpper(); if (FILETYPE == "時間") { Col1.DisplayFormat.FormatType = FormatType.DateTime; Col1.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss"; } if (FILETYPE == "數值") { Col1.DisplayFormat.FormatType = FormatType.Numeric; } gridView1.Columns.Add(Col1); } f.Text = dt2.Rows[0]["TableReMark"].ToString();//顯示窗體名稱 } gridView1.Appearance.OddRow.BackColor = Color.PaleGoldenrod; // 設置奇數行顏色 // 默認也是白色 可以省略 gridView1.OptionsView.EnableAppearanceOddRow = true; // 使能 // 和和上面綁定 同時使用有效 gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 設置偶數行顏色 gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面綁定 同時使用有效 gridView1.CustomDrawRowIndicator += new DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventHandler(gridView1_CustomDrawRowIndicator); GCOrderItem.DataSource = dt; f.Show(); } private static void BtnExprl_Click(object sender, EventArgs e) { string path = BLL_getpath();//選擇路徑 string path2 = path.Replace(".xls", "").Replace(".xlsx", ""); /*如果路徑不存在那么創建路徑*/ if (!Directory.Exists(path2)) { Directory.CreateDirectory(path2); } try { Label btn = (Label)sender; /*獲取按鈕對象*/ Form f = btn.FindForm();/*獲取窗體對象*/ DevExpress.XtraGrid.GridControl GCOrderItem = null;/*獲取數據展示控件*/ Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]); XtraTabControl tab = (XtraTabControl)pl.Controls.Find("XTC", true)[0]; foreach (XtraTabPage gc in tab.TabPages) { foreach (Control con in gc.Controls) { if (con.GetType().ToString() == "DevExpress.XtraGrid.GridControl") { GCOrderItem = new GridControl(); GCOrderItem = (DevExpress.XtraGrid.GridControl)con; DataTable dt = (DataTable)GCOrderItem.DataSource; GridView dv = (GridView)GCOrderItem.MainView; /*獲取數據表*/ DataTable DT_sap = dt.Clone(); for (int i = 0; i < dt.Rows.Count; i++) { DataRow dr = DT_sap.NewRow(); for (int j = 0; j < dt.Columns.Count; j++) { string col = dt.Columns[j].ColumnName; dr[col] = dt.Rows[i][col]; } DT_sap.Rows.Add(dr); } /*轉換中文列名*/ foreach (DevExpress.XtraGrid.Columns.GridColumn gcm in dv.Columns) { string name = gcm.Name; string text = gcm.Caption; DT_sap.Columns[name].Caption = text; DT_sap.Columns[name].ColumnName = text; } Label lb = new Label(); /*快速 導出Excel方法*/ WriteExcel(DT_sap, path2 + "\\" + GCOrderItem.Name + ".xls", lb); } } } } catch (Exception ex) { MsDialogResult("導出失敗！\r\n" + ex.Message.ToString(), false); } } /// <summary> /// 鼠標進入控件上方時，手型鼠標，背景灰色 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> public static void label_MouseEnter(object sender, EventArgs e) { Label lable = (Label)sender; lable.Cursor = Cursors.Hand; lable.BackColor = Color.Gainsboro; } /// <summary> /// 鼠標離開控件時，箭頭鼠標，背景恢復正常 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> public static void label_MouseLeave(object sender, EventArgs e) { Label lable = (Label)sender; lable.Cursor = Cursors.Default; lable.BackColor = Control.DefaultBackColor; } static void f_FormClosing(object sender, FormClosingEventArgs e) { Form f = (Form)sender; f.Dispose(); } /// <summary> /// 導出Excel /// </summary> /// <param name="sender"></param> /// <param name="e"></param> static void btn_Click(object sender, EventArgs e) { try { Button btn = (Button)sender;//獲取按鈕對象 Form f = btn.FindForm();//獲取 按鈕 所在的窗體 DevExpress.XtraGrid.GridControl GCOrderItem = null; foreach (Control con in f.Controls) { if (con.Name == "GCOrderItem") { GCOrderItem = (DevExpress.XtraGrid.GridControl)con; DataTable dt = (DataTable)GCOrderItem.DataSource; GridView dv = (GridView)GCOrderItem.MainView; DataTable DT_sap = dt.Clone(); for (int i = 0; i < dt.Rows.Count; i++) { DataRow dr = DT_sap.NewRow(); for (int j = 0; j < dt.Columns.Count; j++) { string col = dt.Columns[j].ColumnName; dr[col] = dt.Rows[i][col]; } DT_sap.Rows.Add(dr); } foreach (DevExpress.XtraGrid.Columns.GridColumn gcm in dv.Columns) { string name = gcm.Name; string text = gcm.Caption; DT_sap.Columns[name].Caption = text; DT_sap.Columns[name].ColumnName = text; } string path = BLL_getpath(); char[] anyOf = { '\\' }; int count = path.LastIndexOfAny(anyOf); string filname1 = path.Substring(count + 1, path.Length - count - 1); string Table1 = path.Substring(0, count) + "\\" + filname1; Label lb = new Label(); WriteExcel(DT_sap, Table1, lb); } } MsDialogResult("導出成功！"); } catch (Exception ex) { MsDialogResult(ex.Message.ToString(),false); } } /// <summary> /// 自動添加 行索引 以及 模糊查詢設置 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> public static void gridView1_CustomDrawRowIndicator(object sender, RowIndicatorCustomDrawEventArgs e) { //添加行索引 if (e.Info.IsRowIndicator && e.RowHandle >= 0) { e.Info.DisplayText = (e.RowHandle + 1).ToString(); } //模糊查詢時 可以不用輸入“%” foreach (DevExpress.XtraGrid.Columns.GridColumn item in ((GridView)sender).Columns) { item.OptionsFilter.AutoFilterCondition = DevExpress.XtraGrid.Columns.AutoFilterCondition.Contains; //篩選條件設置為包含 } } /// <summary> /// 獲取Excel文件保存路徑 /// </summary> /// <returns></returns> public static string BLL_getpath() { SaveFileDialog saveFileDialog = new SaveFileDialog(); saveFileDialog.Title = "保存的excel文件"; saveFileDialog.InitialDirectory = "c:\\"; saveFileDialog.Filter = "Excel97-2003 (*.xls)|*.xls|All Files (*.*)|*.*"; saveFileDialog.ShowDialog(); string path = saveFileDialog.FileName; if (saveFileDialog.FileName == "" || saveFileDialog.FileName == null) { path = "文件名不能為空!"; } return path; } /// <summary> /// 快速導出Excel的方法 /// </summary> /// <param name="dt"></param> /// <param name="path"></param> /// <param name="lblTip"></param> public static void WriteExcel(DataTable dt, string path, Label lblTip) { try { lblTip.Visible = true; string mark = lblTip.Text; long totalCount = (long)dt.Rows.Count; lblTip.Text = string.Concat(new object[]{lblTip.Text,"共有",totalCount, "條數據。"}); Thread.Sleep(1000); long rowRead = 0L; StreamWriter sw = new StreamWriter(path, false, Encoding.GetEncoding("gb2312")); StringBuilder sb = new StringBuilder(); for (int i = 0; i < dt.Columns.Count; i++) { sb.Append(dt.Columns[i].ColumnName.ToString() + "\t"); } sb.Append(Environment.NewLine); for (int j = 0; j < dt.Rows.Count; j++) { rowRead += 1L; lblTip.Text = mark + "正在寫入[" + ((float)(100L * rowRead) / (float)totalCount).ToString("0.00") + "%]...的數據"; Application.DoEvents(); for (int k = 0; k < dt.Columns.Count; k++) { string xmlss; if (dt.Rows[j][k] == null) { xmlss = "空"; } else if (dt.Rows[j][k].ToString().Trim() == "") { xmlss = "空"; } else { xmlss = dt.Rows[j][k].ToString().Replace("\n", "").Replace("\r\n", "").Replace("\t", "").Replace("\\s", "").Replace("\\n", "").Replace("\r", "").Replace("\\r", "").Replace("@", "").Replace("\\", "").Replace("/", ""); } sb.Append(xmlss + "\t"); } sb.Append(Environment.NewLine); } sw.Write(sb.ToString()); sw.Flush(); sw.Close(); lblTip.Text = ""; lblTip.Visible = false; } catch (Exception ex) { MessageBox.Show(ex.Message); } } #endregion } }
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