Display data of respective columns of a database in textbox

Satyapriyanayak
Posted by Satyapriyanayak under ASP.NET category on | Points: 40 | Views : 704
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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:Label ID="Label1" runat="server" Text="ID" Width="80"></asp:Label>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
<asp:Label ID="Label2" runat="server" Text="Name" Width="80"></asp:Label>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
<asp:Label ID="Label3" runat="server" Text="Address" Width="80"></asp:Label>
<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />
<asp:Label ID="Label4" runat="server" Text="Marks" Width="80"></asp:Label>
<asp:TextBox ID="TextBox4" runat="server"></asp:TextBox><br />
<asp:Label ID="Label5" runat="server" Text="Year" Width="80"></asp:Label>
<asp:TextBox ID="TextBox5" runat="server"></asp:TextBox><br />
<asp:Button ID="btnfirst" runat="server" Text="First" Width="60px"
onclick="btnfirst_Click" />
<asp:Button ID="btnprevious" runat="server" Text="Previous" Width="60px"
onclick="btnprevious_Click" />
<asp:Button ID="btnnext" runat="server" Text="Next" Width="60px"
onclick="btnnext_Click"/>
<asp:Button ID="btnlast" runat="server" Text="Last" Width="60px"
onclick="btnlast_Click"/><br />
<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
</div>
</form>
</body>
</html>



using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
SqlCommand com;
SqlDataAdapter sqlda;
string str;
static DataSet ds;
static DataTable dt;
static int r1;
static int r2;

protected void Page_Load(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(connStr);
try
{
if (!IsPostBack)
{
con.Open();
str = "select * from student";
com = new SqlCommand(str, con);
sqlda = new SqlDataAdapter(com);
ds = new DataSet();
sqlda.Fill(ds, "student");
dt = ds.Tables["student"];
r1 = dt.Rows.Count;
if (r1 > 0)
{
showfirst();
}
r2 = 0;
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
con.Close();
bindgrid();

}
public void bindgrid()
{
SqlConnection con = new SqlConnection(connStr);
con.Open();
str = "select * from student";
com = new SqlCommand(str, con);
sqlda = new SqlDataAdapter(com);
ds = new DataSet();
sqlda.Fill(ds, "student");
GridView1.DataSource = ds;
GridView1.DataMember = "student";
GridView1.DataBind();
con.Close();
}
public void showfirst()
{
TextBox1.Text = dt.Rows[0].ItemArray[0].ToString();
TextBox2.Text = dt.Rows[0].ItemArray[1].ToString();
TextBox3.Text = dt.Rows[0].ItemArray[2].ToString();
TextBox4.Text = dt.Rows[0].ItemArray[3].ToString();
TextBox5.Text = dt.Rows[0].ItemArray[4].ToString();
}


protected void btnfirst_Click(object sender, EventArgs e)
{
showfirst();
}
protected void btnprevious_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(connStr);
try
{
if (r2 > 0)
{
r2 -= 1;
TextBox1.Text = dt.Rows[r2].ItemArray[0].ToString();
TextBox2.Text = dt.Rows[r2].ItemArray[1].ToString();
TextBox3.Text = dt.Rows[r2].ItemArray[2].ToString();
TextBox4.Text = dt.Rows[r2].ItemArray[3].ToString();
TextBox5.Text = dt.Rows[r2].ItemArray[4].ToString();
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
finally
{
con.Close();
}

}
protected void btnnext_Click(object sender, EventArgs e)
{
try
{
if (r2 < r1)
{
r2 += 1;
TextBox1.Text = dt.Rows[r2].ItemArray[0].ToString();
TextBox2.Text = dt.Rows[r2].ItemArray[1].ToString();
TextBox3.Text = dt.Rows[r2].ItemArray[2].ToString();
TextBox4.Text = dt.Rows[r2].ItemArray[3].ToString();
TextBox5.Text = dt.Rows[r2].ItemArray[4].ToString();
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}

}
protected void btnlast_Click(object sender, EventArgs e)
{
try
{
TextBox1.Text = ds.Tables["student"].Rows[r1 - 1].ItemArray[0].ToString();
TextBox2.Text = ds.Tables["student"].Rows[r1 - 1].ItemArray[1].ToString();
TextBox3.Text = ds.Tables["student"].Rows[r1 - 1].ItemArray[2].ToString();
TextBox4.Text = ds.Tables["student"].Rows[r1 - 1].ItemArray[3].ToString();
TextBox5.Text = ds.Tables["student"].Rows[r1 - 1].ItemArray[4].ToString();

}
catch (Exception ex)
{
Response.Write(ex.Message);
}

}
}

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