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  • [转]Raising An Event From CheckBox In A GridView (GridView中模板表的CheckBox的后台事件处理)

    本文转自:http://www.dotnetspider.com/resources/30842-Raising-An-Event-From-CheckBox-In-A-GridView.aspx
    原文如下:

    Description:
    Raising an event from a gridview check box or dropdown list.
    In case of Button or Link Button then event raises and RowCommand.
    Incase of raising event from a control like Checkbox or RadioButtonor DropDownList or etc Event Bubbling.

    Design View:
    <asp:GridView ID="GrdQuestions" AutoGenerateColumns="false" runat="server" Width="698px" >
       <HeaderStyle HorizontalAlign="Left" CssClass="GridHeader"  / >
       <RowStyle CssClass="GridRowStyle" HorizontalAlign="Left" / >
       <AlternatingRowStyle CssClass="GridAlternateRowStyle" / >
       < Columns > 
          <asp:TemplateField HeaderText="Edit" >          
              <ItemStyle HorizontalAlign="Center" Width="50px" ></ItemStyle >             
              <ItemTemplate>  
                 <asp:CheckBox id="chkStatus" AutoPostBack="True" Runat="server" OnCheckedChanged="chkStatus_Changed" ></asp:CheckBox>       

           </ItemTemplate>      
              </asp:TemplateField> 
          <asp:TemplateField HeaderText="BatchPriority">      
              <HeaderStyle Wrap="False">< /HeaderStyle>      
              <ItemStyle Wrap="False">< /ItemStyle>      
              <ItemTemplate>  
                  <asp:dropdownlist id="ddlBatchPriorty" runat="server" Width="92px" CssClass="text" ></asp:dropdownlist>
              </ItemTemplate>     
          </asp:TemplateField> 
       <Columns>
    </asp:GridView>

    Code Behind:

    public void chkStatus_Changed(object sender, System.EventArgs e)
    {  
       //......When GridView Checkbox calls event, then it raises an event.  
       CheckBox chkbox = (CheckBox)(sender);   
       //......Sender is converted to checkbox and getting its GridView Row by using  chkbox.Parent.Parent.  
       GridViewRow dg = (GridViewRow)(chkbox.Parent.Parent);
       //......GridView Row to find the Control or Text of particular cell.  
       DropDownList ddl = (DropDownList)(dg.Cells[4].FindControl("ddlBatchPriorty"));
    }

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  • 原文地址:https://www.cnblogs.com/freeliver54/p/1545138.html
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