datalist控件ItemCommand与DataList1_ItemDataBound编程实例，使用示例数据库

最新推荐文章于 2018-11-11 00:11:29 发布

justsoloving

最新推荐文章于 2018-11-11 00:11:29 发布

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文章标签：编程 server asp button javascript object

本文链接：https://blog.youkuaiyun.com/justsoloving/article/details/5271450

本文展示了一个使用ASP.NET进行数据绑定的例子，通过DataList控件显示来自数据库的产品信息，并为每条记录提供删除按钮。文章包含了前端HTML标记及服务器端代码。

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前台代码

<form id="form1" runat="server"> <asp:Repeater ID="Repeater1" runat="server" DataSourceID="SqlDataSource1"> </asp:Repeater> <asp:DataList ID="DataList1" runat="server" DataKeyField="ProductID" DataSourceID="SqlDataSource1" OnItemCommand="DataList1_ItemCommand" OnItemDataBound="DataList1_ItemDataBound"> <ItemTemplate> ProductID: <asp:Label ID="ProductIDLabel" runat="server" Text='<%# Eval("ProductID") %>'></asp:Label> ProductName: <asp:Label ID="ProductNameLabel" runat="server" Text='<%# Eval("ProductName") %>'></asp:Label> SupplierID: <asp:Label ID="SupplierIDLabel" runat="server" Text='<%# Eval("SupplierID") %>'></asp:Label> CategoryID: <asp:Label ID="CategoryIDLabel" runat="server" Text='<%# Eval("CategoryID") %>'></asp:Label> QuantityPerUnit: <asp:Label ID="QuantityPerUnitLabel" runat="server" Text='<%# Eval("QuantityPerUnit") %>'></asp:Label> UnitPrice: <asp:Label ID="UnitPriceLabel" runat="server" Text='<%# Eval("UnitPrice") %>'></asp:Label> UnitsInStock: <asp:Label ID="UnitsInStockLabel" runat="server" Text='<%# Eval("UnitsInStock") %>'></asp:Label> UnitsOnOrder: <asp:Label ID="UnitsOnOrderLabel" runat="server" Text='<%# Eval("UnitsOnOrder") %>'></asp:Label> ReorderLevel: <asp:Label ID="ReorderLevelLabel" runat="server" Text='<%# Eval("ReorderLevel") %>'></asp:Label> Discontinued: <asp:Label ID="DiscontinuedLabel" runat="server" Text='<%# Eval("Discontinued") %>'></asp:Label> CategoryName: <asp:Label ID="CategoryNameLabel" runat="server" Text='<%# Eval("CategoryName") %>'></asp:Label> <asp:Button ID="del" runat="server" CommandName="dele" Text="Button" /> </ItemTemplate> </asp:DataList> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="SELECT * FROM [Alphabetical list of products]"></asp:SqlDataSource> </form>

后台

protected void Page_Load(object sender, EventArgs e) { } protected void DataList1_ItemCommand(object source, DataListCommandEventArgs e) { if (e.CommandName == "dele") { Button dele = (Button)e.Item.FindControl("del"); dele.Text=e.CommandArgument.ToString(); Response.Write("<mce:script language = javascript></mce:script>"); } } protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e) { Button dele = (Button)e.Item.FindControl("del"); dele.OnClientClick = "javascript:return confirm('您确定要删除该项么?')"; dele.CommandArgument = DataBinder.Eval(e.Item.DataItem, "ProductID").ToString(); }