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How to write program to data adapter?

Mark Devid 1587 23 Jul 2016

Ask by Mark Devid

Updated 16 Sep 2020

1 Answers

Mark Devid 23 Jul 2016

DataAdapter

DataAdapter.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DataAdapter.aspx.cs" Inherits="DataAdapter" %>


<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title></title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

         <div>
            <h1>Registration Details

            </h1>

            <br />

            <asp:GridView ID="grdBind" runat="server" AutoGenerateColumns="false" ForeColor="purple" Font-Bold="true" Font-Names="Tahoma" Font-Italic="false">

                <Columns>

                    <asp:BoundField DataField="id" HeaderText="Id" />

                    <asp:BoundField DataField="FIRSTNAME" HeaderText="FIRST NAME" />

                    <asp:BoundField DataField="LASTNAME" HeaderText="LAST NAME" />

                    <asp:BoundField DataField="DOB" HeaderText="DOB" />

                    <asp:BoundField DataField="ADDRESS" HeaderText="ADDRESS" />

                    <asp:BoundField DataField="GENDER" HeaderText="GENDER" />

                    <asp:BoundField DataField="USERNAME" HeaderText="USER NAME" />


                </Columns>

                <AlternatingRowStyle BackColor="yellow" />

                <EmptyDataTemplate>

                    No Record Found!!

                </EmptyDataTemplate>

            </asp:GridView>

             </div>

    </div>

    </form>

</body>

</html>

DataAdapter.aspx.cs



using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient; 



public partial class DataAdapter : System.Web.UI.Page

{

    SqlConnection cn = null;

    SqlDataAdapter da = null;

    SqlCommand cmd = null;

    string str = string.Empty;        



    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)

        {

            BindGrid();

        }

    }

    void BindGrid()

    {

        cn = new SqlConnection("Data Source=.;uid=sa;pwd=mindstick;database=NewForm");

        str = "select id, FIRSTNAME,LASTNAME,CONVERT(varchar, DOB,103)DOB, ADDRESS,GENDER,USERNAME from  REGISTRATION where USERNAME <> '' ";

        if (cn.State!= ConnectionState.Open)

            cn.Open();

        SqlDataAdapter da = new SqlDataAdapter(str, cn);

        DataSet ds = new DataSet();

        da.Fill(ds);

        if (da != null)

        {

            grdBind.DataSource = ds;

            grdBind.DataBind();

        }

        else

        {

            Response.Write("No Record Found");

        }



    }



}

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