private void button1_Click(object sender, EventArgs e)
{
int role;
if(textBox3.Text==label4.Text)
{
if (radioButton1.Checked) role = 0;
else role = 1;
SqlParameter[] p ={
new SqlParameter("@UserName",textBox1.Text),
new SqlParameter("@PassWord",textBox2.Text),
new SqlParameter("@Role",role)
};
SqlDataReader dr = SqlHelper.ExecuteReader(CommandType.Text, "select * from Users where UserName =
@UserName and PassWord = @PassWord and Role = @Role", p);
}
}