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标题: Grid 和asp.net 值不能为空参数名: s [打印本页]

作者: 卟、縭 时间: 2012-11-22 02:05
标题: Grid 和asp.net 值不能为空参数名: s
用户控件代码：
<script language="javascript">
      function FileSumit(obj) {
         alert(obj.id);
         document.getElementById(obj.id.replace("File1", "txtFile")).value = obj.value;
         alert(document.getElementById(obj.id.replace("File1", "btnAdd")).id);
         document.getElementById(obj.id.replace("File1", "btnAdd")).click();
      }
      function delete_confirmAttachment()    //删除前执行脚本
      {
         event.returnValue = confirm("确认要删除吗?");
      }
</script>
      <table id="table1" runat="server">
         <tr>
            <td>
                  <input id="txtFile" readonly type="text" size="57" runat="server" class="bian">
                  <input id="File1" style="width: 56px; height: 22px;" class="btnClass" type="file"
                     onchange="FileSumit(this);" size="0" runat="server">
                  <asp:Button ID="btnAdd" runat="server" Style="display: none" Text="添加" Height="0px"
                     OnClick="Button1_Click" />
            </td>
         </tr>
      </table>

页面代码：
<ext

ageManager ID="

ageManager1" runat="server" AjaxAspnetControls=""/>

      <ext:ContentPanel ID="ContentPanel1" runat="server"
         BodyPadding="5px" EnableBackgroundColor="true" ShowBorder="true" ShowHeader="true"
         Title="ContentPanel">
         <uc1:WebUserControl ID="WebUserControl1" runat="server"></uc1:WebUserControl>
      </ext:ContentPanel>
      <ext:Grid ID="Grid1" Title="Grid" EnableRowNumber="true" EnableCheckBoxSelect="true" runat="server">
      <Columns></Columns>
      </ext:Grid>

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