How to use Datatable in asp.net

Question

Anonymous User · Answer

A datatable is a collection of rows.which is represent the row data.
The DataTable is a object in the ADO.NET library.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="DataSet.aspx.cs" Inherits="Forumasp.DataSetDemo" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
                <Columns>
                    <asp:TemplateField HeaderText="CustomerID">
                        <ItemTemplate><%#Eval("CustomerID") %></ItemTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField HeaderText="CustomerName">
                        <ItemTemplate><%#Eval("CustomerName") %></ItemTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField HeaderText="E-mailaddress">
                        <ItemTemplate><%#Eval("Email") %></ItemTemplate>
                    </asp:TemplateField>
                    <asp:TemplateField HeaderText="Address">
                        <ItemTemplate><%#Eval("Address") %></ItemTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>
        </div>
    </form>
</body>
</html> 
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
namespace Forumasp  
{ 
    public partial class DataSetDemo : System.Web.UI.Page 
    { 
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {              FillGridviewData();
            }
        } 
        protected void FillGridviewData()
        { 
            DataTable dt = new DataTable();
            dt.Columns.Add("CustomerId", typeof(Int32));
            dt.Columns.Add("CustomerName", typeof(string));
            dt.Columns.Add("Email", typeof(string));
            dt.Columns.Add("Address", typeof(string));
            DataRow dtrow = dt.NewRow();    
            dtrow["CustomerId"] = 1;    
            dtrow["CustomerName"] = "Suraj Dasari";
            dtrow["Email"] = "adityasingh06630@gmail.com";
            dtrow["Address"] = "mungra phulpur";
            dt.Rows.Add(dtrow);
            dtrow = dt.NewRow();    
            dtrow["CustomerId"] = 2;
            dtrow["CustomerName"] = "manoj kumar";
            dtrow["Email"] = "manoj06630@gmail.com";
            dtrow["Address"] = "allahabad";
              dt.Rows.Add(dtrow);
            dtrow = dt.NewRow();         
             dtrow["CustomerId"] = 3;
            dtrow["CustomerName"] = "surendra kumar";
            dtrow["Email"] = "surendra@gmail.com";        
           dtrow["Address"] = "thane";
            dt.Rows.Add(dtrow);
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
    }
}

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How to use Datatable in asp.net

Anonymous User

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