private void cmdhome_Click(object sender, EventArgs e) { mainform b = new mainform(); b.ShowDialog(); BindData(); }
private void cmdlogin_Click(object sender, EventArgs e) { mainform f = new mainform(); string s = "select count(*) from login where name='" + this.txtuser.Text + "' and pass='******'"; System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection(); con.ConnectionString = "Data source=.;Initial catalog =amlak;Integrated security=true"; con.Open(); System.Data.SqlClient.SqlCommand cmd = new System.Data.SqlClient.SqlCommand(s, con); int d = Convert.ToInt16(cmd.ExecuteScalar()); if (d == 0) { MessageBox.Show("نام کاربری یا کلمه عبور شما معتبر نیست"); txtuser.Text = ""; txtpass.Text = ""; } else { f.Show(); this.Hide(); } }