的GridView不显示时，页面加载

当页面加载，即使我已经与数据源的GridView控件绑定....下面是代码在GridView不显示...请帮助的GridView不显示时，页面加载

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DSF_View_ChangeRequest.aspx.cs" Inherits="DSF_View_ChangeRequest" %> 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
    <title>Untitled Page</title> 
</head> 
<body> 
    <form id="form1" runat="server"> 
    <div> 
      <tr> 
      <td align="center" class="style9" style="font-size: 1pt;"> 
       <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
       ConnectionString="<%$ ConnectionStrings:QualityManagerConnectionString %>" 
       SelectCommand="SELECT TOP (100) PERCENT dbo.NCB_ProjectDashBoardView.ProjectNum, dbo.NCB_ChangeRequest.RequestNum, dbo.NCB_ChangeRequest.RequestStatus, dbo.NCB_ProjectDashBoardView.ProjectName, dbo.NCB_Release_DashBoardData.QA_Planned_EndDate, DATEPART(YEAR, dbo.NCB_Release_DashBoardData.QA_Planned_EndDate) AS Expr1, CASE WHEN IPMRefNum &lt;&gt; ProjectNum THEN IPMRefNum ELSE NULL END AS IPMRefNum, dbo.NCB_ProjectDashBoardView.ProposedPhaseName, dbo.NCB_ProjectDashBoardView.DependencyList FROM dbo.NCB_ProjectDashBoardView INNER JOIN dbo.NCB_Release_DashBoardData ON dbo.NCB_ProjectDashBoardView.ProjectNum = dbo.NCB_Release_DashBoardData.RequestNum INNER JOIN dbo.NCB_ChangeRequest ON dbo.NCB_ProjectDashBoardView.ProjectNum = LEFT (dbo.NCB_ChangeRequest.RequestNum, 7) WHERE (dbo.NCB_Release_DashBoardData.QA_Category = N'Release Handover') AND (dbo.NCB_Release_DashBoardData.QA_Planned_EndDate &gt; @param1) AND (dbo.NCB_Release_DashBoardData.QA_Planned_EndDate &lt; @param2) AND (dbo.NCB_ChangeRequest.RequestStatus &lt;&gt; 'Rejected') AND (dbo.NCB_ChangeRequest.RequestStatus &lt;&gt; 'Closed') ORDER BY dbo.NCB_ProjectDashBoardView.ProjectNum DESC"> 
        <SelectParameters> 
         <asp:Parameter Name="param1" /> 
         <asp:Parameter Name="param2" /> 
        </SelectParameters> 
      </asp:SqlDataSource> 
       <br /> 
       <asp:ImageButton ID="ImageButton_Hdr_Help" runat="server" ImageUrl="~/Images/NCBLogo_QAManager_Trend_Dashboard.png" 
        OnClick="ImageButton_Hdr_Help_Click" /> 
      </td> 
     </tr> 
          <tr> 
         <td style="font-size: 10pt; text-align: left" class="style6"> 
          &nbsp; 
         </td> 
         <td style="font-size: 10pt; text-align: left;" class="style14"> 
          &nbsp; 
         </td> 
         <td style="font-size: 10pt; text-align: left; color: #FFFFFF;" class="style3"> 
          &nbsp; 
         </td> 
         <td style="font-size: 10pt; width: 218px; text-align: left; height: 19px;"> 
         </td> 
        </tr> 


<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
    CellPadding="4" DataSourceID="SqlDataSource1" ForeColor="#333333" 
    GridLines="None"> 
    <RowStyle BackColor="#EFF3FB" /> 
    <Columns> 
     <asp:BoundField DataField="ProjectNum" HeaderText="ProjectNum" 
      SortExpression="ProjectNum" /> 
     <asp:BoundField DataField="RequestNum" HeaderText="RequestNum" 
      SortExpression="RequestNum" /> 
     <asp:BoundField DataField="RequestStatus" HeaderText="RequestStatus" 
      SortExpression="RequestStatus" /> 
     <asp:BoundField DataField="ProjectName" HeaderText="ProjectName" 
      SortExpression="ProjectName" /> 
     <asp:BoundField DataField="QA_Planned_EndDate" HeaderText="QA_Planned_EndDate" 
      SortExpression="QA_Planned_EndDate" /> 
     <asp:BoundField DataField="Expr1" HeaderText="Expr1" ReadOnly="True" 
      SortExpression="Expr1" /> 
     <asp:BoundField DataField="IPMRefNum" HeaderText="IPMRefNum" ReadOnly="True" 
      SortExpression="IPMRefNum" /> 
     <asp:BoundField DataField="ProposedPhaseName" HeaderText="ProposedPhaseName" 
      SortExpression="ProposedPhaseName" /> 
     <asp:BoundField DataField="DependencyList" HeaderText="DependencyList" 
      ReadOnly="True" SortExpression="DependencyList" /> 
    </Columns> 
    <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> 
    <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> 
    <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> 
    <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> 
    <EditRowStyle BackColor="#2461BF" /> 
    <AlternatingRowStyle BackColor="White" /> 
</asp:GridView> 
</div> 
</form> 
</body> 
</html>

来源

2011-04-05 Usman

您是否尝试过在Sql Server Management Studio中执行sql来验证它是否有效？ – gdp 2011-04-05 10:47:44

我想您未通过选择参数

   <SelectParameters> 
        <asp:Parameter Name="param1" /> 
        <asp:Parameter Name="param2" /> 
       </SelectParameters>

来源

2011-04-05 09:25:02

恰好是穆罕默德·阿赫塔尔...感谢很多家伙...... Wheewww ..我被困了很长时间... Thanx一百万:) – Usman 2011-04-05 11:19:43

的GridView不显示时，页面加载

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