Insert record in database using stored procedure in asp.net

In this article am explaining very simpe thing insert record in database using stored procedure,that will very help full for entry level programmer.

web.config

 <connectionStrings>  
      <add name="conString" connectionString="Data Source=.\SQLEXPRESS; database=Northwind;Integrated Security=true"/>:  
 </connectionStrings>  

Used Stored procedure
CREATE PROCEDURE [dbo].[AddUser]
(
@FName varchar(50),
@LName varchar(50),
@DateOfBirth datetime,
@City varchar(50),
@State varchar(50)
)
AS
BEGIN

SET NOCOUNT ON;
INSERT INTO UserDetails (FName, LName, DateOfBirth, City, State)
VALUES (@FName, @LName, @DateOfBirth, @City, @State)
END


C# code

 String ConnString = ConfigurationManager.ConnectionStrings["conString"].ConnectionString;  
 SqlConnection con = new SqlConnection(ConnString);  
 SqlCommand cmd = new SqlCommand();  
 cmd.CommandType = CommandType.StoredProcedure;  
 cmd.CommandText = "AddUser";  
 cmd.Parameters.Add("@FName",SqlDbType.VarChar).Value = txtFName.Text.Trim();  
 cmd.Parameters.Add("@LName", SqlDbType.VarChar).Value = txtLName.Text.Trim();  
 cmd.Parameters.Add("@DateOfBirth", SqlDbType.DateTime).Value = txtDOB.Text.Trim();  
 cmd.Parameters.Add("@City", SqlDbType.VarChar).Value = txtCity.Text.Trim();  
 cmd.Parameters.Add("@State", SqlDbType.VarChar).Value = txtState.Text.Trim();  
 cmd.Connection = con;  
 try  
 {  
      con.Open();  
      cmd.ExecuteNonQuery();  
      lblMessage.Text = "Record inserted successfully";  
 }  
 catch (Exception ex)  
 {  
      throw ex;  
 }  
 finally  
 {  
      con.Close();  
      con.Dispose();  
 }