private void btnInsert_Click(object sender, EventArgs e)
{
string Code = txtboxCode.Text ;
string firstName = txtboxFirstName.Text;
string lastName = txtboxLastName.Text;
string Mobile = txtboxMobile.Text;
string Explan = txtboxExplan.Text;
SqlConnection ConnectDataBase = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename="+Application.StartupPath+@"\Database1.mdf;Integrated Security=True;Connect Timeout=30");
ConnectDataBase.Open();
{
string CommandText = "insert into myTable(Code,firstName,lastName,Mobile,Explan) values("+ Code +","+ firstName +","+lastName+","+Mobile+","+Explan+ ")";
SqlCommand Command = new SqlCommand(CommandText, ConnectDataBase);
Command.ExecuteNonQuery();
}
ConnectDataBase.Close();
}