Santanu Roy

As you said, you are from a recruitment background. So for me, it's not clear in which sector you do recruit. As an IT professional, I can tell you if you are looking for a demanding course nowadays.

Then Listed below courses are in high demands :

1. BlockChain

2. Machine Learning

3. Data Science

Thanks.

// ******* IN WEB.CONFIG FILE
<configuration> 
    <connectionStrings> 
      <add name="myConnectionString" connectionString="server=localhost;database=myDb;uid=myUser;password=myPass;" /> 
    </connectionStrings> 
</configuration> 

// ******* IN ASPX PAGE(C#)
using(SqlConnection connection = new SqlConnection("Put the name of of your web.congfig connection string"))
{
    String query = "INSERT INTO dbo.[TABLE_NAME](id,username,password,email) VALUES (@id,@username,@password, @email)";

    using(SqlCommand command = new SqlCommand(query, connection))
    {
        command.Parameters.AddWithValue("@id", "VALUE OF ID");
        command.Parameters.AddWithValue("@username", "VALUE OF ID"); 
        command.Parameters.AddWithValue("@password", "abc"); 
        command.Parameters.AddWithValue("@email", "abc"); 
        
        connection.Open(); 
        int result = command.ExecuteNonQuery(); // Check Error 
        
        if(result < 0) 
        Console.WriteLine("Error inserting data into Database!"); 
    }
 }

// ********* BEST OF LUCK