SqlConnection cn=new SqlConnection();
SqlCommand cmd,cmd1,cmd2;
string st,st1,st2;
protected void Page_Load(object sender, EventArgs e)
{
cn.ConnectionString = Helper.ConnectionString;
//TextBox1.Text = Session["sl_id"].ToString();
}
protected void btnAddRequest_Click(object sender, EventArgs e)
{


cn.Open();




st1 = "insert into slreq_details values('" + TextBox1.Text + "','" + TextBox7.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "',null,null,'" + TextBox4.Text + "','" + TextBox5.Text + "',null)";
cmd1 = new SqlCommand(st1, cn);
cmd1.ExecuteNonQuery();


This is how the code looks like. I need to change the database connections in the Helper.ConnectionString; section. So please help me in how to change the db name, servername etc..,
@mark

I'm using visual studio 2010. when i place cursor there, i get the highlighted code. I need to change the data source thing for the helper connection string. I need to change the server name, db instance and all. I can only view that but not able to change the details. Need help very badly