Tuesday, 21 February 2012

How To Pass multiple values to CommandArgument

How To Pass multiple values to CommandArgument

 

In this post i will show you that how you can pass the multiple valuesCommandArgument ...
 
<%@ Page Language="C#" AutoEventWireup="true"
 CodeFile="MultipleCommandArgument.aspx.cs"
   Inherits="MultipleCommandArgument" %>

<!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>Untitled Page</title>
</head>
<body>
   <form id="form1" runat="server">
       <div>
           <asp:GridView ID="GridView1" runat="Server" AutoGenerateColumns="False" OnRowCommand="GridView1_RowCommand">
               <Columns>
                   <asp:BoundField DataField="carid" HeaderText="Card Id" />
                   <asp:BoundField DataField="Year" HeaderText="year" />
                   <asp:TemplateField>
                       <ItemTemplate>
                           <asp:Button ID="btnTest" runat="Server" CommandName="Test" Text="Select" CommandArgument='<%#Eval("carid") + ","+Eval("year") %>' />
                       </ItemTemplate>
                   </asp:TemplateField>
               </Columns>
           </asp:GridView>
           <asp:Label ID="Label2" runat="server" Text="Label"></asp:Label><br />
           <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>
   </form>
</body>
</html>
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class MultipleCommandArgument : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            GridView1.DataSource = GetData();
            GridView1.DataBind();
        }
      

    }
  
    DataTable data;
    DataTable GetData()
    {
        data = Session["data"] as DataTable;
        if (data != null)
        {
            return data;
        }
        data = new DataTable();
        DataColumn primaryColumn
        = new DataColumn("carid", typeof(Int32));
        data.Columns.Add(primaryColumn);
        data.Columns.Add(new DataColumn("year", typeof(Int32)));
        data.Columns.Add(new DataColumn("make", typeof(string)));
        data.Columns.Add(new DataColumn("model", typeof(string)));
        DataRow dr;
        dr = data.NewRow();
        dr[0] = 1;
        dr[1] = 1998;
        dr[2] = "Isuzu";
        dr[3] = "Trooper";
        data.Rows.Add(dr);
        dr = data.NewRow();
        dr[0] = 2;
        dr[1] = 2000;
        dr[2] = "Honda";
        dr[3] = "Civic";
        data.Rows.Add(dr);
        dr = data.NewRow();
        dr[0] = 3;
        dr[1] = 2000;
        dr[2] = "BMW";
        dr[3] = "GM";
        data.Rows.Add(dr);
        dr = data.NewRow();
        dr[0] = 4;
        dr[1] = 2000;
        dr[2] = "Swift";
        dr[3] = "Tata";
        data.Rows.Add(dr);
        DataColumn[] primaryColumns = new DataColumn[1];
        primaryColumns[0] = primaryColumn;
        data.PrimaryKey = primaryColumns;
        Session["data"] = data;
        return data;
    }

    protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "Test")
        {
            string[] commandArgs = e.CommandArgument.ToString().Split(new char[] { ',' });

       Label1.Text= commandArgs[0];
       Label2.Text = commandArgs[1];

        }
    }
}



 

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