private void goBack_Click(object sender, EventArgs e) { SqlConnection sqlConn = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\Users\Hashika\Desktop\Spark-master\Spark\spark_database.mdf;Integrated Security=True"); string query = "SELECT * FROM tbluser where username='******'"; SqlDataAdapter data = new SqlDataAdapter(query, sqlConn); DataTable dtbl = new DataTable(); data.Fill(dtbl); if (dtbl.Rows.Count != 0) { int type = 0; foreach (DataRow row in dtbl.Rows) { type = Convert.ToInt16(row["type"].ToString()); } if (type == 1 | type == 2) { //if it is cashier this.Hide(); user userform = new user(); userform.setUsername(username); userform.setDataGrid(this.checkoutDataGrid); userform.ShowDialog(); this.Close(); } else if (type == 4) { //if it is special customer this.Hide(); specialCustomer specialcustomer = new specialCustomer(); specialcustomer.setUsername(username); specialcustomer.setDataGrid(this.checkoutDataGrid); specialcustomer.ShowDialog(); this.Close(); } } }
private void loginButton_Click(object sender, EventArgs e) { string username = txtUsername.Text.Trim(); string password = txtPassword.Text.Trim(); //setting ms sql connection SqlConnection sqlConn = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\Users\Maneesha\Desktop\Spark\Spark\spark_database.mdf;Integrated Security=True"); string query = "SELECT * FROM tbluser where username='******'and password='******'"; SqlDataAdapter data = new SqlDataAdapter(query, sqlConn); DataTable dtbl = new DataTable(); data.Fill(dtbl); if (dtbl.Rows.Count != 0) { int type = 0; foreach (DataRow row in dtbl.Rows) { type = Convert.ToInt16(row["type"].ToString()); } if (type == 1) { this.Hide(); //go to the view userForm user userForm = new user(); userForm.setUsername(username); userForm.ShowDialog(); this.Close(); } else if (type == 2) { //go to supplier this.Hide(); supplier supplierform = new supplier(); supplierform.setUsername(username); supplierform.ShowDialog(); this.Close(); } else if (type == 3) { //go to admin this.Hide(); admin admin = new admin(); admin.setUsername(username); admin.ShowDialog(); this.Close(); } else if (type == 4) { //go to customer this.Hide(); specialCustomer specialcustomer = new specialCustomer(); specialcustomer.setUsername(username); specialcustomer.ShowDialog(); this.Close(); } } else { this.checkCredentials.Visible = true; } }