由於客戶最近要擴充公司的業務,之前基於Winform+web開發混合式的系統已經不能滿足他們的需求,需要從新對系統進行分區處理。
考慮到系統模塊里面用到的GridView視圖比較多,我就結合了DevExpress第三方GridControl簡單的寫了個Demo,對數據進行分組
排序。
主程序源碼:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using DevExpress.XtraGrid.Columns; using DevExpress.Data; namespace GridViewSortTest { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { InitLoad(); #region 分組排序代碼 GridColumnSortInfo[] sortInfo = { new GridColumnSortInfo(gdvSort.Columns["GET_YEAR"], ColumnSortOrder.Ascending), new GridColumnSortInfo(gdvSort.Columns["ID"], ColumnSortOrder.Descending), }; gdvSort.SortInfo.ClearAndAddRange(sortInfo,1); #endregion } /// <summary> /// 初始化GirdControl數據 /// </summary> private void InitLoad() { gdcSort.DataSource= DBHelp.GetTable(string.Format(@"SELECT ID,NAME,GET_YEAR, URL_ADRRESS FROM TB_SORT_TEST")); } /// <summary> /// GirdView單擊事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void gdvSort_Click(object sender, EventArgs e) { if (gdvSort.FocusedColumn.FieldName.Equals(@"NAME") && gdvSort.GetFocusedRowCellValue("NAME") != null) { string url = gdvSort.GetFocusedRowCellValue("URL_ADRRESS").ToString()+ gdvSort.GetFocusedRowCellValue("GET_YEAR").ToString() + MonthToString(int.Parse(gdvSort.GetFocusedRowCellValue("ID").ToString())) + gdvSort.GetFocusedRowCellValue("NAME").ToString()+".html"; webBrowser.Navigate(url); } } /// <summary> /// 月份轉換成字符串 /// </summary> /// <param name="month"></param> /// <returns></returns> private string MonthToString(int month) { if (month >= 1 && month <= 9) return "0" + month.ToString(); else return month.ToString(); } } }
DBHelp類源碼:
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using System.Data.SqlClient; namespace GridViewSortTest { public class DBHelp { //連接字符串 static string strConn =@"Server=.\SQLEXPRESS; Database= SysBusiness; User Id=sa; Password=123456;Trusted_Connection = False "; #region 執行查詢,返回DataTable對象----------------------- public static DataTable GetTable(string strSQL) { return GetTable(strSQL, null); } public static DataTable GetTable(string strSQL, SqlParameter[] pas) { return GetTable(strSQL, pas, CommandType.Text); } /// <summary> /// 執行查詢,返回DataTable對象 /// </summary> /// <param name="strSQL">sql語句</param> /// <param name="pas">參數數組</param> /// <param name="cmdtype">Command類型</param> /// <returns>DataTable對象</returns> public static DataTable GetTable(string strSQL, SqlParameter[] pas, CommandType cmdtype) { DataTable dt = new DataTable(); ; using (SqlConnection conn = new SqlConnection(strConn)) { SqlDataAdapter da = new SqlDataAdapter(strSQL, conn); da.SelectCommand.CommandType = cmdtype; if (pas != null) { da.SelectCommand.Parameters.AddRange(pas); } da.Fill(dt); } return dt; } #endregion #region 執行查詢,返回DataSet對象------------------------- public static DataSet GetDataSet(string strSQL) { return GetDataSet(strSQL, null); } public static DataSet GetDataSet(string strSQL, SqlParameter[] pas) { return GetDataSet(strSQL, pas, CommandType.Text); } /// <summary> /// 執行查詢,返回DataSet對象 /// </summary> /// <param name="strSQL">sql語句</param> /// <param name="pas">參數數組</param> /// <param name="cmdtype">Command類型</param> /// <returns>DataSet對象</returns> public static DataSet GetDataSet(string strSQL, SqlParameter[] pas, CommandType cmdtype) { DataSet dt = new DataSet(); ; using (SqlConnection conn = new SqlConnection(strConn)) { SqlDataAdapter da = new SqlDataAdapter(strSQL, conn); da.SelectCommand.CommandType = cmdtype; if (pas != null) { da.SelectCommand.Parameters.AddRange(pas); } da.Fill(dt); } return dt; } #endregion #region 執行非查詢存儲過程和SQL語句----------------------------- public static int ExcuteProc(string ProcName) { return ExcuteSQL(ProcName, null, CommandType.StoredProcedure); } public static int ExcuteProc(string ProcName, SqlParameter[] pars) { return ExcuteSQL(ProcName, pars, CommandType.StoredProcedure); } public static int ExcuteSQL(string strSQL) { return ExcuteSQL(strSQL, null); } public static int ExcuteSQL(string strSQL, SqlParameter[] paras) { return ExcuteSQL(strSQL, paras, CommandType.Text); } /// 執行非查詢存儲過程和SQL語句 /// 增、刪、改 /// </summary> /// <param name="strSQL">要執行的SQL語句</param> /// <param name="paras">參數列表,沒有參數填入null</param> /// <param name="cmdType">Command類型</param> /// <returns>返回影響行數</returns> public static int ExcuteSQL(string strSQL, SqlParameter[] paras, CommandType cmdType) { int i = 0; using (SqlConnection conn = new SqlConnection(strConn)) { SqlCommand cmd = new SqlCommand(strSQL, conn); cmd.CommandType = cmdType; if (paras != null) { cmd.Parameters.AddRange(paras); } conn.Open(); i = cmd.ExecuteNonQuery(); conn.Close(); } return i; } #endregion #region 執行查詢返回第一行,第一列--------------------------------- public static int ExcuteScalarSQL(string strSQL) { return ExcuteScalarSQL(strSQL, null); } public static int ExcuteScalarSQL(string strSQL, SqlParameter[] paras) { return ExcuteScalarSQL(strSQL, paras, CommandType.Text); } public static int ExcuteScalarProc(string strSQL, SqlParameter[] paras) { return ExcuteScalarSQL(strSQL, paras, CommandType.StoredProcedure); } /// <summary> /// 執行SQL語句,返回第一行,第一列 /// </summary> /// <param name="strSQL">要執行的SQL語句</param> /// <param name="paras">參數列表,沒有參數填入null</param> /// <returns>返回影響行數</returns> public static int ExcuteScalarSQL(string strSQL, SqlParameter[] paras, CommandType cmdType) { int i = 0; using (SqlConnection conn = new SqlConnection(strConn)) { SqlCommand cmd = new SqlCommand(strSQL, conn); cmd.CommandType = cmdType; if (paras != null) { cmd.Parameters.AddRange(paras); } conn.Open(); i = Convert.ToInt32(cmd.ExecuteScalar()); conn.Close(); } return i; } #endregion #region 查詢獲取單個值------------------------------------ /// <summary> /// 調用不帶參數的存儲過程獲取單個值 /// </summary> /// <param name="ProcName"></param> /// <returns></returns> public static object GetObjectByProc(string ProcName) { return GetObjectByProc(ProcName, null); } /// <summary> /// 調用帶參數的存儲過程獲取單個值 /// </summary> /// <param name="ProcName"></param> /// <param name="paras"></param> /// <returns></returns> public static object GetObjectByProc(string ProcName, SqlParameter[] paras) { return GetObject(ProcName, paras, CommandType.StoredProcedure); } /// <summary> /// 根據sql語句獲取單個值 /// </summary> /// <param name="strSQL"></param> /// <returns></returns> public static object GetObject(string strSQL) { return GetObject(strSQL, null); } /// <summary> /// 根據sql語句 和 參數數組獲取單個值 /// </summary> /// <param name="strSQL"></param> /// <param name="paras"></param> /// <returns></returns> public static object GetObject(string strSQL, SqlParameter[] paras) { return GetObject(strSQL, paras, CommandType.Text); } /// <summary> /// 執行SQL語句,返回首行首列 /// </summary> /// <param name="strSQL">要執行的SQL語句</param> /// <param name="paras">參數列表,沒有參數填入null</param> /// <returns>返回的首行首列</returns> public static object GetObject(string strSQL, SqlParameter[] paras, CommandType cmdtype) { object o = null; using (SqlConnection conn = new SqlConnection(strConn)) { SqlCommand cmd = new SqlCommand(strSQL, conn); cmd.CommandType = cmdtype; if (paras != null) { cmd.Parameters.AddRange(paras); } conn.Open(); o = cmd.ExecuteScalar(); conn.Close(); } return o; } #endregion #region 查詢獲取DataReader------------------------------------ /// <summary> /// 調用不帶參數的存儲過程,返回DataReader對象 /// </summary> /// <param name="procName">存儲過程名稱</param> /// <returns>DataReader對象</returns> public static SqlDataReader GetReaderByProc(string procName) { return GetReaderByProc(procName, null); } /// <summary> /// 調用帶有參數的存儲過程,返回DataReader對象 /// </summary> /// <param name="procName">存儲過程名</param> /// <param name="paras">參數數組</param> /// <returns>DataReader對象</returns> public static SqlDataReader GetReaderByProc(string procName, SqlParameter[] paras) { return GetReader(procName, paras, CommandType.StoredProcedure); } /// <summary> /// 根據sql語句返回DataReader對象 /// </summary> /// <param name="strSQL">sql語句</param> /// <returns>DataReader對象</returns> public static SqlDataReader GetReader(string strSQL) { return GetReader(strSQL, null); } /// <summary> /// 根據sql語句和參數返回DataReader對象 /// </summary> /// <param name="strSQL">sql語句</param> /// <param name="paras">參數數組</param> /// <returns>DataReader對象</returns> public static SqlDataReader GetReader(string strSQL, SqlParameter[] paras) { return GetReader(strSQL, paras, CommandType.Text); } /// <summary> /// 查詢SQL語句獲取DataReader /// </summary> /// <param name="strSQL">查詢的SQL語句</param> /// <param name="paras">參數列表,沒有參數填入null</param> /// <returns>查詢到的DataReader(關閉該對象的時候,自動關閉連接)</returns> public static SqlDataReader GetReader(string strSQL, SqlParameter[] paras, CommandType cmdtype) { SqlDataReader sqldr = null; SqlConnection conn = new SqlConnection(strConn); SqlCommand cmd = new SqlCommand(strSQL, conn); cmd.CommandType = cmdtype; if (paras != null) { cmd.Parameters.AddRange(paras); } conn.Open(); //CommandBehavior.CloseConnection的作用是如果關聯的DataReader對象關閉,則連接自動關閉 sqldr = cmd.ExecuteReader(CommandBehavior.CloseConnection); return sqldr; } #endregion #region 批量插入數據--------------------------------------------- /// <summary> /// 往數據庫中批量插入數據 /// </summary> /// <param name="sourceDt">數據源表</param> /// <param name="targetTable">服務器上目標表</param> public static void BulkToDB(DataTable sourceDt, string targetTable) { SqlConnection conn = new SqlConnection(strConn); SqlBulkCopy bulkCopy = new SqlBulkCopy(conn); //用其它源的數據有效批量加載sql server表中 bulkCopy.DestinationTableName = targetTable; //服務器上目標表的名稱 bulkCopy.BatchSize = sourceDt.Rows.Count; //每一批次中的行數 try { conn.Open(); if (sourceDt != null && sourceDt.Rows.Count != 0) bulkCopy.WriteToServer(sourceDt); //將提供的數據源中的所有行復制到目標表中 } catch (Exception ex) { throw ex; } finally { conn.Close(); if (bulkCopy != null) bulkCopy.Close(); } } #endregion } }
最終顯示效果圖: