删除gridview中的行 [英] Deleting a row in a gridview

问题描述

你好每一个;

我有一个gridview，在点击删除linkBut​​ton之后永远不会回发，它只是在重新加载页面或向其添加新行后呈现。我也有一个确认消息用户控件，应该在点击删除后弹出并且不显示。

这是一个代码片段：

hello every one;
i have a gridview that is never postback after hitting delete linkButton, it just renders after reload the page or adding a new row to it. also I've a confirm message user control that should be popped up after hitting delete and does not show up.
this is a code snippet:

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"

                                        DataSourceID="ObjectDataSource1" ForeColor="#333333" GridLines="None" meta:resourcekey="GridView1Resource1"

                                        OnSelectedIndexChanged="GridView1_SelectedIndexChanged" OnRowEditing="GridView1_RowUpdating">
                                        <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
                                        <!-- some columns-->
<ItemTemplate>
                                                    <asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Edit"

                                                        Text="Delete" meta:resourcekey="BoundFieldResource144"></asp:LinkButton>
                                                </ItemTemplate>
                                            </asp:TemplateField>
<!--user control-->
   <uc5:MessageBoxConfirm  runat="server" ID="MessageBoxCon"   ButtonNoText="No" ButtonYesText="Yes" />

代码behinde：

the code behinde:

protected void GridView1_RowDeleting(object sender, GridViewEditEventArgs e)
  {
      try
      {

        MessageBoxCon.ShowBox(CommonRes.Delete,CommonRes.AreYouSureThatYouWantToDelete, CommonRes.Yes, CommonRes.No);//user control

                 int count = Convert.ToInt32(e.NewEditIndex);
          List<classname> clrList = new List<classname>();
          clsList = (List<classname>)Session["SaveList"];

          classname clsnm = new classname();
          clsnm  = clrList.ElementAt(count);

          clsList.Remove(clsnm );
          Session["SaveList"] = clsList;

      }
      catch (Exception ex)
      {

      }

  }
protected void MessageBoxConfirm_Confirm(object sender,EventArgs e)
  {

  }

  protected void MessageBoxConfirm_Cancel(object sender, EventArgs e)
  {

  }

推荐答案

首先，您尚未在标记中定义事件。



参考 - GridView.RowDeleting事件 [ ^ ]。请参阅示例中的定义。

First of all, you have not defined the event in Markup.

Refer - GridView.RowDeleting Event[^]. See how it is defined in the example.

<asp:GridView ID="CustomersGridView" runat="server"

        DataSourceID="CustomersSqlDataSource"

        AutoGenerateColumns="False"

        AutoGenerateDeleteButton="True"

        OnRowDeleting="CustomersGridView_RowDeleting"

        DataKeyNames="CustomerID,AddressID">

此处它自动显示删除按钮，因此，当你点击它时会自动触发事件。



但是如果你想使用LinkBut​​ton，那么你需要以

• 的方式实现 RowCommand 事件（例如 - http://www.codeproject.com/Articles/12666/GridView-Delete-with-Confirmation)
OR
• LinkBut​​ton点击事件（例如 - 使用链接按钮从Gridview中删除行单击Asp.net并确认 [ ^ ]）


And here it automatically shows Delete button, as a result of that, the event gets fired automatically when you click on that.

But if you want to use LinkButton, then you need to implement differently either with

• RowCommand Event (example - http://www.codeproject.com/Articles/12666/GridView-Delete-with-Confirmation)
OR
• LinkButton Click Event (example - Delete Row from Gridview using Link Button Click in Asp.net with Confirmation[^])




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