Hello Friends ,
After almost 4-5 months I am back this time with Database connectivity in asp.net Web page with C#
Most of you know about Database , What Exactly database is ? and all these Today we learn how to connect Database with ASP.NET webpage using C#
First of all we know that we use Very Powerful IDE for ASP.NET Web Developing i.e Visual Studio
So Let Understand STEP by STEP With the help of Login Page :
Step :1 Open a New Website In Visual Studio (open Empty ASP.net Website )
Step 3: Now use 2 Labels , 2 TextBox , 1 Botton to make a login page or use these codes:
<%@ 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>Login Page</title>
</head>
<body>
<form id="form1" runat="server">
<div style="position:absolute;left:40%; top:32%; background:#e2e2e2; width:52%; height:233px;">
User Name: <asp:TextBox ID="TextBox1" runat="server"
style="position:absolute; top: 1px; left: 140px;"></asp:TextBox><br />
<br />
<br />
<br />
Password<br />
<asp:TextBox ID="TextBox2" style="position:absolute; top: 73px; left: 136px;"
runat="server" TextMode="Password"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="Button"
style="position:absolute; top: 138px; left: 130px;" />
</div>
</form>
</body>
</html>
Step 4: Now We do important part Go to VIEW>SERVER EXPLORER
Something Looks like this:
Now Right Click on Data Connection there is a option Add Database and Create New SQL Server Database
If you already have Database created USE ADD DATABASE
other wise Create New SQL SERVER DATABASE;
I am creating new Database called EMPLOYEE
when you select new sql server database there is a dialog box open
provide the SERVER NAME AS . (single dot)
and write the database name what ever you want I use employee
and use Windows authentication :
Now your database is connected with the ASP.net Website But you have to work little bit with that
Now expand the database and there is a option of TABLES
Now Right click on table and add new table
Now create a table
Now the main Part of the Connectivity is coming :
you have to go to design view of webpage and double click on button then you see the code behind codes :
In Code behind codes
ADD 2 LIBRARIES
1. using System.Data.SqlClient;
2. using System.Data;
after this
write these codes in your button_click event function
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=employee;Integrated Security=True;Pooling=False");
SqlCommand mycom;
con.Open();
mycom=new SqlCommand("select * from emp",con);
SqlDataReader myrdr = new SqlDataReader();
myrdr = mycom.ExecuteReader();
if (myrdr.HasRows)
{
while (myrdr.Read())
{
if (TextBox1.Text == myrdr["empid"].ToString() && TextBox2.Text == myrdr["pass"].ToString())
{
Response.Redirect("newpage.aspx");
}
else
{
Response.Write("Please enter correct username and password");
}
}
}
}
the codes looks like
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
public partial class _Default : System.Web.UI.Page
{
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=employee;Integrated Security=True;Pooling=False");
SqlCommand mycom;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
con.Open();
mycom=new SqlCommand("select * from emp",con);
SqlDataReader myrdr = new SqlDataReader();
myrdr = mycom.ExecuteReader();
if (myrdr.HasRows)
{
while (myrdr.Read())
{
if (TextBox1.Text == myrdr["empid"].ToString() && TextBox2.Text == myrdr["pass"].ToString())
{
Response.Redirect("newpage.aspx");
}
else
{
Response.Write("Please enter correct username and password");
}
}
}
}
}
That's all about Connecting ASP.NET with Database
If you have any query and any problem regarding this Leave your valuable comment I try to solve your problem .
After almost 4-5 months I am back this time with Database connectivity in asp.net Web page with C#
Most of you know about Database , What Exactly database is ? and all these Today we learn how to connect Database with ASP.NET webpage using C#
First of all we know that we use Very Powerful IDE for ASP.NET Web Developing i.e Visual Studio
So Let Understand STEP by STEP With the help of Login Page :
Step :1 Open a New Website In Visual Studio (open Empty ASP.net Website )
Step 2: Add a aspx web page then you see like this
<%@ 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>Login Page</title>
</head>
<body>
<form id="form1" runat="server">
<div style="position:absolute;left:40%; top:32%; background:#e2e2e2; width:52%; height:233px;">
User Name: <asp:TextBox ID="TextBox1" runat="server"
style="position:absolute; top: 1px; left: 140px;"></asp:TextBox><br />
<br />
<br />
<br />
Password<br />
<asp:TextBox ID="TextBox2" style="position:absolute; top: 73px; left: 136px;"
runat="server" TextMode="Password"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="Button"
style="position:absolute; top: 138px; left: 130px;" />
</div>
</form>
</body>
</html>
Step 4: Now We do important part Go to VIEW>SERVER EXPLORER
Something Looks like this:
Now Right Click on Data Connection there is a option Add Database and Create New SQL Server Database
If you already have Database created USE ADD DATABASE
other wise Create New SQL SERVER DATABASE;
I am creating new Database called EMPLOYEE
when you select new sql server database there is a dialog box open
provide the SERVER NAME AS . (single dot)
and write the database name what ever you want I use employee
and use Windows authentication :
Now your database is connected with the ASP.net Website But you have to work little bit with that
Now expand the database and there is a option of TABLES
Now Right click on table and add new table
Now create a table
Now the main Part of the Connectivity is coming :
you have to go to design view of webpage and double click on button then you see the code behind codes :
In Code behind codes
ADD 2 LIBRARIES
1. using System.Data.SqlClient;
2. using System.Data;
after this
write these codes in your button_click event function
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=employee;Integrated Security=True;Pooling=False");
SqlCommand mycom;
con.Open();
mycom=new SqlCommand("select * from emp",con);
SqlDataReader myrdr = new SqlDataReader();
myrdr = mycom.ExecuteReader();
if (myrdr.HasRows)
{
while (myrdr.Read())
{
if (TextBox1.Text == myrdr["empid"].ToString() && TextBox2.Text == myrdr["pass"].ToString())
{
Response.Redirect("newpage.aspx");
}
else
{
Response.Write("Please enter correct username and password");
}
}
}
}
the codes looks like
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
public partial class _Default : System.Web.UI.Page
{
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=employee;Integrated Security=True;Pooling=False");
SqlCommand mycom;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
con.Open();
mycom=new SqlCommand("select * from emp",con);
SqlDataReader myrdr = new SqlDataReader();
myrdr = mycom.ExecuteReader();
if (myrdr.HasRows)
{
while (myrdr.Read())
{
if (TextBox1.Text == myrdr["empid"].ToString() && TextBox2.Text == myrdr["pass"].ToString())
{
Response.Redirect("newpage.aspx");
}
else
{
Response.Write("Please enter correct username and password");
}
}
}
}
}
That's all about Connecting ASP.NET with Database
If you have any query and any problem regarding this Leave your valuable comment I try to solve your problem .
How to Connect ASP.NET Web Page with MS SQL DATABASE (For beginners)
Reviewed by Admin
on
04:26
Rating:
Reviewed by Admin
on
04:26
Rating:
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