private void buttonback_Click(object sender, EventArgs e)
{
welcome_manager f = new welcome_manager();
f.Show();
this.Hide();
}
private void buttonlogin_Click(object sender, EventArgs e)
{
if (textBoxname.Text != "" && textBoxid.Text != "")
{
Class_DB db = new Class_DB();
db.ConnectDB();
DataSet ds = new DataSet();
ds = db.selectdb("Select * from [user] where user_name='" + textBoxname.Text + "' and password='******'", "User");
if (ds.Tables["User"].Rows.Count >= 1)
{
welcome_manager f = new welcome_manager();
f.Show();
this.Hide();
}
else
{
label4.Text = "your Name or your Password not Vaild";
}
}
else
{
label4.Text = "your must Enter your Name and your Password";
}
}