Repeater控件实现编辑、更新、删除操作
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2022-03-27 16:05:37
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如何在Repeater控件中实现像GridView控件一样的编辑、更新、删除功能?
下面给出示例 vs.net2008(C#)下编写。来自 admin10000.com
后台.cs代码
protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { BindGrid(); } } private void BindGrid() { string strSQL = "SELECT * FROM [User]"; OleDbConnection objConnection = new OleDbConnection(GetStrConnection()); objConnection.Open(); OleDbCommand objCommand = new OleDbCommand(strSQL, objConnection); OleDbDataReader reader = objCommand.ExecuteReader(CommandBehavior.CloseConnection); rptUser.DataSource = reader; rptUser.DataBind(); } protected void rptUser_ItemDataBound(object sender, RepeaterItemEventArgs e) { if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) { System.Data.Common.DbDataRecord record = (System.Data.Common.DbDataRecord)e.Item.DataItem; int userId = int.Parse(record["UserId"].ToString()); if (userId != id) { ((Panel)e.Item.FindControl("plItem")).Visible = true; ((Panel)e.Item.FindControl("plEdit")).Visible = false; } else { ((Panel)e.Item.FindControl("plItem")).Visible = false; ((Panel)e.Item.FindControl("plEdit")).Visible = true; } } } protected void rptUser_ItemCommand(object source, RepeaterCommandEventArgs e) { if (e.CommandName == "Edit") { id = int.Parse(e.CommandArgument.ToString()); } else if (e.CommandName == "Cancel") { id = -1; } else if (e.CommandName == "Update") { string name = ((TextBox)this.rptUser.Items[e.Item.ItemIndex].FindControl("txtName")).Text.Trim(); string email = ((TextBox)this.rptUser.Items[e.Item.ItemIndex].FindControl("txtEmail")).Text.Trim(); string qq = ((TextBox)this.rptUser.Items[e.Item.ItemIndex].FindControl("txtQQ")).Text.Trim(); string strSQL = "UPDATE [User] SET Name=@Name,Email=@Email,QQ=@QQ WHERE UserId=@UserId"; OleDbConnection objConnection = new OleDbConnection(GetStrConnection()); OleDbCommand objCommand = new OleDbCommand(strSQL, objConnection); objCommand.Parameters.Add("@Name", OleDbType.VarWChar); objCommand.Parameters["@Name"].Value = name; objCommand.Parameters.Add("@Email", OleDbType.VarWChar); objCommand.Parameters["@Email"].Value = email; objCommand.Parameters.Add("@QQ", OleDbType.VarWChar); objCommand.Parameters["@QQ"].Value = qq; objCommand.Parameters.Add("@UserId", OleDbType.Integer); objCommand.Parameters["@UserId"].Value = int.Parse(e.CommandArgument.ToString()); objConnection.Open(); objCommand.ExecuteNonQuery(); objConnection.Close(); } else if (e.CommandName == "Delete") { string strSQL = "DELETE * FROM [User] WHERE UserId=@UserId"; OleDbConnection objConnection = new OleDbConnection(GetStrConnection()); OleDbCommand objCommand = new OleDbCommand(strSQL, objConnection); objCommand.Parameters.Add("@UserId", OleDbType.Integer); objCommand.Parameters["@UserId"].Value = int.Parse(e.CommandArgument.ToString()); objConnection.Open(); objCommand.ExecuteNonQuery(); objConnection.Close(); } BindGrid(); } private string GetStrConnection() { return "Provider=Microsoft.Jet.OleDb.4.0;data source=" + Server.MapPath("~/Database/test.mdb"); }
前台.aspx代码
<form id="form1" runat="server"> <asp:Repeater ID="rptUser" runat="server" onitemcommand="rptUser_ItemCommand" onitemdatabound="rptUser_ItemDataBound"> <HeaderTemplate> <table width="960" align="center" cellpadding="3" cellspacing="1" style="background-color: #ccc;"> <thead style="background-color: #eee;"> <tr> <th width="10%"> 用户ID </th> <th> 用户名 </th> <th width="22%"> 邮件 </th> <th width="20%"> QQ </th> <th width="15%"> 注册时间 </th> <th width="12%"> 操作 </th> </tr> </thead> <tbody style="background-color: #fff;"> </HeaderTemplate> <ItemTemplate> <asp:Panel ID="plItem" runat="server"> <tr style="text-align: center;"> <td> <%# DataBinder.Eval(Container.DataItem, "UserId")%> </td> <td> <%# DataBinder.Eval(Container.DataItem, "Name")%> </td> <td> <%# DataBinder.Eval(Container.DataItem, "Email")%> </td> <td> <%# DataBinder.Eval(Container.DataItem, "QQ")%> </td> <td> <%# DataBinder.Eval(Container.DataItem, "AddTime","{0:yyyy-MM-dd}")%> </td> <td> <asp:LinkButton runat="server" ID="lbtEdit" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "UserId")%>' CommandName="Edit" Text="编辑"></asp:LinkButton> <asp:LinkButton runat="server" ID="lbtDelete" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "UserId")%>' CommandName="Delete" Text="删除" OnClientClick="return confirm('确定要删除?')"></asp:LinkButton> </td> </tr> </asp:Panel> <asp:Panel ID="plEdit" runat="server"> <tr style="text-align: center;"> <td> <%# DataBinder.Eval(Container.DataItem, "UserId")%> </td> <td> <asp:TextBox ID="txtName" Text='<%# DataBinder.Eval(Container.DataItem,"Name") %>' runat="server"></asp:TextBox> </td> <td> <asp:TextBox ID="txtEmail" Text='<%# DataBinder.Eval(Container.DataItem,"Email") %>' runat="server"></asp:TextBox> </td> <td> <asp:TextBox ID="txtQQ" Text='<%# DataBinder.Eval(Container.DataItem,"QQ") %>' runat="server"></asp:TextBox> </td> <td> <%# DataBinder.Eval(Container.DataItem, "AddTime","{0:yyyy-MM-dd}")%> </td> <td> <asp:LinkButton runat="server" ID="lbtUpdate" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "UserId")%>' CommandName="Update" Text="更新"></asp:LinkButton> <asp:LinkButton runat="server" ID="lbtCancel" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "UserId")%>' CommandName="Cancel" Text="取消"></asp:LinkButton> </td> </tr> </asp:Panel> </ItemTemplate> <FooterTemplate> </tbody></table> </FooterTemplate> </asp:Repeater> </form>
下载代码示例:PageDemo.RAR
相关文档: Repeater控件的分页实现 Repeater多行间隔显示分隔符的方法 Repeater中嵌套使用Repeater
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