This article explains how to show the
data of respective columns of a database to the corresponding textboxes present
in a web page. Here we can also navigate the records which are present inside the
textboxes with the help of a button control. For this requirement we take 5
textboxes and 4 buttons and also a GridView to show the records to the user.
Table creation
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<%@
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);
}
}
}
Output
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