[英]Problem with Validation Control in formview ASP.NET C#
我在 formview 中的驗證控制有一些問題。 我可以在 formview 控件中添加一個驗證控件,它工作正常,直到我嘗試使用驗證組對它們進行分組。 此外,如果我不輸入值,程序仍然允許將其添加到數據庫中。 有人可以幫我指出程序中的問題或錯誤嗎? 這是我所做的插入語句。
<InsertItemTemplate>
Book ID:
<asp:TextBox ID="bookidTextBox" runat="server" Text='<%# Bind("bookid") %>' />
<asp:RequiredFieldValidator ID="RequesFieldValidator1" runat="server" ErrorMessage="* Required" ControlToValidate="bookidTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator" runat="server" Display="Dynamic" ControlToValidate="bookidTextBox" ValidationExpression="^([\S\s]{13,13})$" ErrorMessage="Value must be at least 13 characters long">
</asp:RegularExpressionValidator>
<br />
Title:
<asp:TextBox ID="booktitleTextBox" runat="server"
Text='<%# Bind("booktitle") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="* Required" ControlToValidate="booktitleTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<br />
Author's lastname:
<asp:TextBox ID="lastnameTextBox" runat="server"
Text='<%# Bind("lastname") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ErrorMessage="* Required" ControlToValidate="lastnameTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<br />
Author's firstname:
<asp:TextBox ID="firstnameTextBox" runat="server"
Text='<%# Bind("firstname") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server" ErrorMessage="* Required" ControlToValidate="firstnameTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<br />
Description:
<asp:TextBox ID="descriptionTextBox" runat="server"
Text='<%# Bind("description") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator5" runat="server" ErrorMessage="* Required" ControlToValidate="descriptionTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<br />
Category:
<asp:DropDownList ID="DropDownList1" runat="server"
DataSourceID="categoryDataSource" DataTextField="name"
DataValueField="categoryid" SelectedValue='<%# Bind("categoryid", "{0}") %>'>
</asp:DropDownList>
<asp:SqlDataSource ID="categoryDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:LibrarySystemConnectionString %>"
SelectCommand="SELECT [categoryid], [name] FROM [TblCategory]">
</asp:SqlDataSource>
<br />
Date added:
<asp:TextBox ID="dateaddedTextBox" runat="server"
Text='<%# Bind("dateadded") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ErrorMessage="* Required" ControlToValidate="dateaddedTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<br />
Status:
<asp:DropDownList ID="DropDownList2" runat="server"
DataSourceID="statusDataSource" DataTextField="statusname"
DataValueField="statusid" SelectedValue='<%# Bind("statusid", "{0}") %>'>
</asp:DropDownList>
<asp:SqlDataSource ID="statusDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:LibrarySystemConnectionString %>"
SelectCommand="SELECT [statusid], [statusname] FROM [BookStatus]">
</asp:SqlDataSource>
<br />
Quantity:
<asp:TextBox ID="quantityTextBox" runat="server"
Text='<%# Bind("quantity") %>' />
<asp:RequiredFieldValidator ID="RequiredFieldValidator7" runat="server" ErrorMessage="* Required" ControlToValidate="quantityTextBox" ValidationGroup="InsertBook">
</asp:RequiredFieldValidator>
<br />
<asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert" Text="Add" />
<asp:LinkButton ID="InsertCancelButton" runat="server"
CausesValidation="False" CommandName="Cancel" Text="Cancel" />
</InsertItemTemplate>
任何幫助將非常感激;)
提前致謝。
您必須設置ValidationGroup="InsertBook"
因為您已將 Validation group 設置為您的驗證。
<asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert"
Text="Add" ValidationGroup="InsertBook" />
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