Repeater控件实现编辑、更新、删除操作的方法

小编给大家分享一下Repeater控件实现编辑、更新、删除操作的方法，希望大家阅读完这篇文章后大所收获，下面让我们一起去探讨吧！

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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

    
        
            
            
                
                
            

                

                    

                        

                            用户ID
                        
                        

                            用户名
                        
                        

                            邮件
                        
                        

                            QQ
                        
                        

                            注册时间
                        
                        

                            操作
                        
                    
                
                

        
        

                    

                        <%# DataBinder.Eval(Container.DataItem, "UserId")%>
                    
                    

                        <%# DataBinder.Eval(Container.DataItem, "Name")%>
                    
                    

                        <%# DataBinder.Eval(Container.DataItem, "Email")%>
                    
                    

                        <%# DataBinder.Eval(Container.DataItem, "QQ")%>
                    
                    

                        <%# DataBinder.Eval(Container.DataItem, "AddTime","{0:yyyy-MM-dd}")%>
                    
                    
 '
                     CommandName="Edit" Text="编辑">  
                    '
                     CommandName="Delete" Text="删除" OnClientClick="return confirm('确定要删除？')">
                    
                
            
            

                    

                        <%# DataBinder.Eval(Container.DataItem, "UserId")%>
                    
                    

                        '
                            runat="server">
                    
                    

                        '
                            runat="server">
                    
                    

                        ' runat="server">
                    
                    

                        <%# DataBinder.Eval(Container.DataItem, "AddTime","{0:yyyy-MM-dd}")%>
                    
                    

                      '
                     CommandName="Update" Text="更新">  
                    '
                     CommandName="Cancel" Text="取消">
                    
                
            
        
        
        
    

看完了这篇文章，相信你对Repeater控件实现编辑、更新、删除操作的方法有了一定的了解，想了解更多相关知识，欢迎关注创新互联行业资讯频道，感谢各位的阅读！

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