| ylbtech-ASP.NET-Control-Bind:DropDownList+Repeater 的使用前台绑定 |
ASP.NET中 DropDownList+Repeater的使用前台绑定。
| 1.A,运行效果图返回顶部 |
| 1.B,源代码返回顶部 |
View Code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DropRpt.aspx.cs" Inherits="DropRpt" %> <!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>无标题页</title> </head> <body> <form id="form1" runat="server"> <div> 请选择大分类：<asp:DropDownList ID="drop" runat="server" DataSourceID="SqlDataSource1" DataTextField="CategoryName" DataValueField="CategoryID" AutoPostBack="True"> </asp:DropDownList> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="SELECT [CategoryID], [CategoryName] FROM [Categories]"> </asp:SqlDataSource> <hr /> 该分类下的产品： <table border="1"> <tr> <td>产品编号</td> <td>产品名称</td> <td>分类编号</td> <td>单价</td> </tr> <asp:Repeater ID="rpt" runat="server" DataSourceID="SqlDataSource2"> <ItemTemplate> <tr> <td><%#Eval("ProductID")%></td> <td><%#Eval("ProductName")%></td> <td><%#Eval("CategoryID")%></td> <td><%#Eval("UnitPrice")%></td> </tr> </ItemTemplate> </asp:Repeater> </table> <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" DeleteCommand="DELETE FROM [Products] WHERE [ProductID] = @original_ProductID AND [ProductName] = @original_ProductName AND (([CategoryID] = @original_CategoryID) OR ([CategoryID] IS NULL AND @original_CategoryID IS NULL)) AND (([UnitPrice] = @original_UnitPrice) OR ([UnitPrice] IS NULL AND @original_UnitPrice IS NULL))" InsertCommand="INSERT INTO [Products] ([ProductName], [CategoryID], [UnitPrice]) VALUES (@ProductName, @CategoryID, @UnitPrice)" SelectCommand="SELECT [ProductID], [ProductName], [CategoryID], [UnitPrice] FROM [Products] WHERE ([CategoryID] = @CategoryID) ORDER BY [ProductID] DESC" UpdateCommand="UPDATE [Products] SET [ProductName] = @ProductName, [CategoryID] = @CategoryID, [UnitPrice] = @UnitPrice WHERE [ProductID] = @original_ProductID AND [ProductName] = @original_ProductName AND (([CategoryID] = @original_CategoryID) OR ([CategoryID] IS NULL AND @original_CategoryID IS NULL)) AND (([UnitPrice] = @original_UnitPrice) OR ([UnitPrice] IS NULL AND @original_UnitPrice IS NULL))" ConflictDetection="CompareAllValues" OldValuesParameterFormatString="original_{0}"> <SelectParameters> <asp:ControlParameter ControlID="drop" DefaultValue="1" Name="CategoryID" PropertyName="SelectedValue" Type="Int32" /> </SelectParameters> <DeleteParameters> <asp:Parameter Name="original_ProductID" Type="Int32" /> <asp:Parameter Name="original_ProductName" Type="String" /> <asp:Parameter Name="original_CategoryID" Type="Int32" /> <asp:Parameter Name="original_UnitPrice" Type="Decimal" /> </DeleteParameters> <UpdateParameters> <asp:Parameter Name="ProductName" Type="String" /> <asp:Parameter Name="CategoryID" Type="Int32" /> <asp:Parameter Name="UnitPrice" Type="Decimal" /> <asp:Parameter Name="original_ProductID" Type="Int32" /> <asp:Parameter Name="original_ProductName" Type="String" /> <asp:Parameter Name="original_CategoryID" Type="Int32" /> <asp:Parameter Name="original_UnitPrice" Type="Decimal" /> </UpdateParameters> <InsertParameters> <asp:Parameter Name="ProductName" Type="String" /> <asp:Parameter Name="CategoryID" Type="Int32" /> <asp:Parameter Name="UnitPrice" Type="Decimal" /> </InsertParameters> </asp:SqlDataSource> </div> </form> </body> </html>
/web.config
<connectionStrings> <add name="NorthwindConnectionString" connectionString="Data Source=.;Initial Catalog=Northwind;Integrated Security=True" providerName="System.Data.SqlClient"/> </connectionStrings>
| 1.C,资源下载返回顶部 |
https://files.cnblogs.com/ylbtech/WebForm-Drop-XList.rar
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