我需要帮助来查看我的代码。它似乎没有更新数据。如果默认创建它可以成功更新。当我在详细视图文本框中放置一些自动值代码时，它会回到更新之前，因为我认为更新不成功。
ASP.NET 代码：
Please Scan Your Student Card<br />
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:Button ID="Button1"
runat="server" Text="Enter" /><br />
<asp:DetailsView ID="DetailsView1" runat="server" AllowPaging="True" AutoGenerateRows="False"
DataKeyNames="IDCardNo" DataSourceID="SqlDataSource1" Height="50px" Width="541px" BackColor="#DEBA84" BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellPadding="3" CellSpacing="2">
<Fields>
<asp:TemplateField HeaderText="Name" SortExpression="Name">
<EditItemTemplate>
<asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("Name") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox5" runat="server" Text='<%# Bind("Name") %>'></asp:TextBox>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label5" runat="server" Text='<%# Bind("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="IDCardNo" SortExpression="IDCardNo">
<EditItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Eval("IDCardNo") %>'></asp:Label>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("IDCardNo") %>'></asp:TextBox>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label4" runat="server" Text='<%# Bind("IDCardNo") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="StudentNo" SortExpression="StudentNo">
<EditItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("StudentNo") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("StudentNo") %>'></asp:TextBox>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("StudentNo") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TimeInClass" SortExpression="TimeInClass">
<EditItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("TimeInClass") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("TimeInClass") %>'></asp:TextBox>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("TimeInClass") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TimeOutClass" SortExpression="TimeOutClass">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server"
Text='<%# Bind("TimeOutClass") %>'
OnDataBinding="TextBox1_DataBinding">
</asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("TimeOutClass") %>'></asp:TextBox>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("TimeOutClass") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField ShowHeader="False">
<EditItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" CommandName="Update"
Text="Update"></asp:LinkButton>
<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Cancel"
Text="Cancel"></asp:LinkButton>
</EditItemTemplate>
<InsertItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" CommandName="Insert"
Text="Insert"></asp:LinkButton>
<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Cancel"
Text="Cancel"></asp:LinkButton>
</InsertItemTemplate>
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Edit"
Text="Edit"></asp:LinkButton>
<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="New"
Text="New"></asp:LinkButton>
<asp:LinkButton ID="LinkButton3" runat="server" CausesValidation="False" CommandName="Delete"
Text="Delete"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Fields>
<FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
<RowStyle BackColor="#FFF7E7" ForeColor="#8C4510" />
<PagerStyle ForeColor="#8C4510" HorizontalAlign="Center" />
<HeaderStyle BackColor="#A55129" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="White" />
</asp:DetailsView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConflictDetection="CompareAllValues"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>" DeleteCommand="DELETE FROM [Student] WHERE [IDCardNo] = @original_IDCardNo AND (([Name] = @original_Name) OR ([Name] IS NULL AND @original_Name IS NULL)) AND (([StudentNo] = @original_StudentNo) OR ([StudentNo] IS NULL AND @original_StudentNo IS NULL)) AND (([TimeInClass] = @original_TimeInClass) OR ([TimeInClass] IS NULL AND @original_TimeInClass IS NULL)) AND (([TimeOutClass] = @original_TimeOutClass) OR ([TimeOutClass] IS NULL AND @original_TimeOutClass IS NULL))"
InsertCommand="INSERT INTO [Student] ([Name], [IDCardNo], [StudentNo], [TimeInClass], [TimeOutClass]) VALUES (@Name, @IDCardNo, @StudentNo, @TimeInClass, @TimeOutClass)"
OldValuesParameterFormatString="original_{0}" SelectCommand="SELECT * FROM [Student] WHERE ([IDCardNo] = @IDCardNo)"
UpdateCommand="UPDATE [Student] SET [Name] = @Name, [StudentNo] = @StudentNo, [TimeInClass] = @TimeInClass, [TimeOutClass] = @TimeOutClass WHERE [IDCardNo] = @original_IDCardNo AND (([Name] = @original_Name) OR ([Name] IS NULL AND @original_Name IS NULL)) AND (([StudentNo] = @original_StudentNo) OR ([StudentNo] IS NULL AND @original_StudentNo IS NULL)) AND (([TimeInClass] = @original_TimeInClass) OR ([TimeInClass] IS NULL AND @original_TimeInClass IS NULL)) AND (([TimeOutClass] = @original_TimeOutClass) OR ([TimeOutClass] IS NULL AND @original_TimeOutClass IS NULL))">
<SelectParameters>
<asp:ControlParameter ControlID="TextBox1" Name="IDCardNo" PropertyName="Text" Type="String" />
</SelectParameters>
<DeleteParameters>
<asp:Parameter Name="original_IDCardNo" Type="String" />
<asp:Parameter Name="original_Name" Type="String" />
<asp:Parameter Name="original_StudentNo" Type="String" />
<asp:Parameter Name="original_TimeInClass" Type="String" />
<asp:Parameter Name="original_TimeOutClass" Type="String" />
</DeleteParameters>
<UpdateParameters>
<asp:Parameter Name="Name" Type="String" />
<asp:Parameter Name="StudentNo" Type="String" />
<asp:Parameter Name="TimeInClass" Type="String" />
<asp:Parameter Name="TimeOutClass" Type="String" />
<asp:Parameter Name="original_IDCardNo" Type="String" />
<asp:Parameter Name="original_Name" Type="String" />
<asp:Parameter Name="original_StudentNo" Type="String" />
<asp:Parameter Name="original_TimeInClass" Type="String" />
<asp:Parameter Name="original_TimeOutClass" Type="String" />
</UpdateParameters>
<InsertParameters>
<asp:Parameter Name="Name" Type="String" />
<asp:Parameter Name="IDCardNo" Type="String" />
<asp:Parameter Name="StudentNo" Type="String" />
<asp:Parameter Name="TimeInClass" Type="String" />
<asp:Parameter Name="TimeOutClass" Type="String" />
</InsertParameters>
</asp:SqlDataSource>
VB代码
Protected Sub TextBox1_DataBinding(ByVal sender As Object, ByVal e As EventArgs)
Dim TextToTime As New TextBox
TextToTime = DetailsView1.FindControl("TextBox1")
TextToTime.Text = DateTime.Now
End Sub
当我在 TimeOutClass 数据绑定上的 EditItemTemplate Textbox1 中使用代码 (OnDataBinding="TextBox1_DataBinding") 时，它开始不更新。