ASP.NET 完美解決checkbox多選傳值以及相關操作

小項目要用到多選，修改相關數據記錄：

效果如下：

具體實現如下：

用到了GridView控件。

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GridView是一個提供相關數據庫操作的控件，MSDN解釋：猛擊此處

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具體操作如下：

a.aspx關鍵代碼：

 

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
                            BorderWidth="0px" Width="701px" ForeColor="Blue" Height="182px">
                              <Columns>
                                  <asp:TemplateField>
                                      <ItemTemplate>
                                          <asp:CheckBox ID="CheckBox1"  runat="server" />
                                          <asp:HiddenField ID="HidID" runat="server" Value='<%# Bind("id") %> ' /> 
                                          <asp:Label  ID="Label1" runat="server" style="font-size:12px;color:#3344ff"  Text='<%# Bind("content") %>'></asp:Label>
                                      </ItemTemplate>
                                  </asp:TemplateField>
                              </Columns>
 </asp:GridView>

 

b.aspx后台關鍵代碼：（按鈕觸發）

//給GridView綁定數值
public void bind()
    {
        string sql;
        sql = "select id, content from intro";
        GridView1.DataSource = access.GreatDs(sql);
        GridView1.DataBind();
    }
protected void Button1_Click(object sender, EventArgs e)
    {
        int rowCount = GridView1.Rows.Count;
        string str = ConfigurationManager.ConnectionStrings["kuny"].ConnectionString;
        OleDbConnection conn = new OleDbConnection(str);
        conn.Open();
        int tag = 0;
        for (int i = 0; i < rowCount; i++)
        {
            CheckBox tempChk = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
            HiddenField HidID = (HiddenField)GridView1.Rows[i].FindControl("HidID");
            if (tempChk.Checked == true)
            {
                string update_exam_item = "update baoming_info set bk_exerm_id" + HidID.Value + "=" + "1" + " where bk_exer_id=" + Session["StuID"];
                //alert(update_exam_item);
                OleDbCommand cmd = new OleDbCommand(update_exam_item, conn);
                cmd.ExecuteNonQuery();
                tag++;
            }
           
        }
        if (tag == 0)
        {
            alert("您至少需要選擇一項考試項目！");
        }
        else
        {
            conn.Close();
            Response.Redirect("step_1.aspx");
        }
        
    }

 

總結：

for (int i = 0; i < rowCount; i++)
        {
　　　　　　　//遍歷取checkbox以及隱藏text的值
            CheckBox tempChk = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
            HiddenField HidID = (HiddenField)GridView1.Rows[i].FindControl("HidID");
　　　　　　 // if (tempChk.Checked == true)
            {
                string update_exam_item = "update baoming_info set bk_exerm_id" + HidID.Value + "=" + "1" + " where bk_exer_id=" + Session["StuID"];
                //alert(update_exam_item);
                OleDbCommand cmd = new OleDbCommand(update_exam_item, conn);
                cmd.ExecuteNonQuery();
                tag++;
            }
           
        }
總結下，先要用GridView控件，並為它綁定數據源bind(),在gridview的屬性TemplateField、ItemTemplate添加相應的checkbox等，再用button事件觸發，進行相關操作