我有一個帶有GridView和SqlDataSource的頁面(它有一個MasterPage)。如果我在標記中設置了SelectCommand,則GridView顯示正常。但是,如果我動態生成相同的SelectCommand,那麼GridView是空的。我知道查詢被執行。 它可能是什麼原因? 謝謝。GridView爲空
<asp:SqlDataSource ID="UserSqlDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:BookList %>" DataSourceMode="DataSet"
ProviderName="<%$ ConnectionStrings:BookList.ProviderName %>" >
</asp:SqlDataSource>
<asp:GridView ID="grdUsers" runat="server" AllowPaging="True" ShowHeader="false" ShowFooter="true"
AutoGenerateColumns="false"
Width="1480px" Height="100%" PageSize="50" DataSourceID="UserSqlDataSource" DataKeyNames="ID">
<AlternatingRowStyle CssClass="alternatingrowstyle" />
<Columns>
<asp:TemplateField HeaderText="User Name" SortExpression="Name">
<ItemTemplate>
<asp:Label ID="lblName" runat="server" Text='<%# Eval("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Last Name" SortExpression="LastName">
<ItemTemplate>
<asp:Label ID="lblLastName" runat="server" Text='<%# Eval("LastName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="First Name" SortExpression="FirstName">
<ItemTemplate>
<asp:Label ID="lblFirstName" runat="server" Text='<%# Eval("FirstName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Email" SortExpression="Email">
<ItemTemplate>
<asp:Label ID="lblEmail" runat="server" Text='<%# Eval("Email") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindUsers();
}
}
protected void BindUsers()
{
string strSelectClause =
@"SELECT ID, Name, FirstName, LastName, EMail,
FROM User WHERE Name NOT IN ('*All', 'Admin', 'TPS') ";
string strQuery = strSelectClause + GenerateWhereClause() + " ORDER BY Name;";
SqlDataSource UserSqlDataSource = GetControl(this, "UserSqlDataSource") as SqlDataSource;
UserSqlDataSource.SelectCommand = strQuery;
grdUsers.DataBind();
}
如何標記爲正確答案或編輯問題 – 2011-04-09 02:06:48
我不知道怎麼回事,不知道如何標記爲正確答案 – dpreznik 2011-04-11 12:29:17
單擊答案旁邊的檢查(在答案的分數下)您應該始終將答案標記爲已接受(假設有答案)。 – 2011-04-11 20:53:33