ButtonField弹出消息框

Question

 OnClientClick="return confirm('确定要删除么？');" 

Answer 1

<asp:TemplateField HeaderText="删除">
                  <ItemTemplate>
                      <asp:LinkButton ID="DepLB" CommandName="DepLB" CommandArgument='<%#Bind("id")%>' runat="server" OnClientClick="return confirm('确定要删除么？');" Text="删除"></asp:LinkButton>
                  </ItemTemplate>
                 </asp:TemplateField>

Answer 2

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
//e.Row.Cells[0].Controls[0]表示ButtonField 是放在第一个单元格内的
            Button btn = e.Row.Cells[0].Controls[0] as Button;
            if (btn != null)
            {
                btn.Attributes.Add("onclick", "return   confirm('确定要删除么？')");           
            }
            
         }
    }

Answer 3

也可在Page_Load中添加代码现实:
btn.Attributes.Add("onclick", "return   confirm('确定要删除么？')");