|
Dieser Artikel wurde maschinell übersetzt. Bewegen Sie den Mauszeiger über die Sätze im Artikel, um den Originaltext anzuzeigen. Weitere Informationen
|
Übersetzung
Original
|
ListView.InsertItem-Eigenschaft
Namespace: System.Web.UI.WebControls
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
 Sicherheitshinweis |
|---|
<%@ Page language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void CountriesListView_ItemInserting(object sender, ListViewInsertEventArgs e) { // Get the controls that are contained in the insert item. TextBox countryCodeTextBox = (TextBox)CountriesListView.InsertItem.FindControl("CountryCodeTextBox"); TextBox nameTextBox = (TextBox)CountriesListView.InsertItem.FindControl("NameTextBox"); //Check if the controls are empty. if ((countryCodeTextBox.Text.Trim().Length == 0) || (nameTextBox.Text.Trim().Length == 0)) { MessageLabel.Text = "The system could not insert the item. All fields are required."; e.Cancel = true; return; } } protected void Page_Load(object sender, EventArgs e) { //Clear the message label. MessageLabel.Text = ""; } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>ListView InsertItem Example</title> <style type="text/css"> body { font: 10pt Trebuchet MS, Arial, Tahoma; } th { background: #8FBC8F; } .item td { border: 1px solid #8FBC8F; } .insertItem td { background: #D3D3D3; } </style> </head> <body> <form id="form1" runat="server"> <h3>ListView InsertItem Example</h3> <asp:ListView ID="CountriesListView" DataSourceID="CountryDataSource" DataKeyNames="CountryRegionCode" InsertItemPosition="LastItem" runat="server" oniteminserting="CountriesListView_ItemInserting"> <LayoutTemplate> <table cellpadding="4" width="500" runat="server" id="tblCountries"> <tr runat="server"> <th runat="server">Code</th> <th runat="server">Name</th> </tr> <tr runat="server" id="itemPlaceholder" /> </table> <asp:DataPager ID="CountriesPager" runat="server" PageSize="20"> <Fields> <asp:NumericPagerField ButtonCount="10" /> </Fields> </asp:DataPager> </LayoutTemplate> <ItemTemplate> <tr class="item" runat="server"> <td> <asp:Label ID="CountryCodeLabel" runat="server" Text='<%# Eval("CountryRegionCode")%>' /> </td> <td> <asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name")%>' /> </td> </tr> </ItemTemplate> <InsertItemTemplate> <tr class="insertItem"> <td align="right">Code:</td> <td align="left"> <asp:TextBox ID="CountryCodeTextBox" runat="server" Text='<%# Bind("CountryRegionCode")%>' MaxLength="3" /> </td> </tr> <tr class="insertItem"> <td align="right">Name:</td> <td align="left"> <asp:TextBox ID="NameTextBox" runat="server" Text='<%# Bind("Name")%>' MaxLength="50" /> </td> </tr> <tr class="insertItem" runat="server"> <td colspan="2" align="center"> <asp:Button ID="InsertButton" runat="server" CommandName="Insert" Text="Insert" /> <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="Clear" /> </td> </tr> </InsertItemTemplate> </asp:ListView> <br /><br /> <asp:Label ID="MessageLabel" ForeColor="Red" runat="server" /> <!-- This example uses Microsoft SQL Server and connects --> <!-- to the AdventureWorks sample database. Use an ASP.NET --> <!-- expression to retrieve the connection string value --> <!-- from the Web.config file. --> <asp:SqlDataSource ID="CountryDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>" SelectCommand="SELECT [CountryRegionCode], [Name] FROM [Person].[CountryRegion]" InsertCommand="INSERT INTO Person.CountryRegion(CountryRegionCode, Name) VALUES (@CountryRegionCode, @Name)"> </asp:SqlDataSource> </form> </body> </html>
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core-Rolle wird nicht unterstützt), Windows Server 2008 R2 (Server Core-Rolle wird mit SP1 oder höher unterstützt; Itanium wird nicht unterstützt)
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen für .NET Framework.
