//Login Method public void LogIn() { string connectionString = @"SERVER=DESKTOP-BDF5EPV; DATABASE=BusinessManagementSystemDb; INTEGRATED SECURITY=true"; SqlConnection sqlConnection = new SqlConnection(connectionString); string commandString = @"SELECT * FROM LogIn WHERE Name = '" + userNameTextBox.Text + "' AND Password = '******'"; SqlCommand sqlCommand = new SqlCommand(commandString, sqlConnection); sqlConnection.Open(); SqlDataAdapter sqlDataAdapter = new SqlDataAdapter(sqlCommand); DataTable dataTable = new DataTable(); sqlDataAdapter.Fill(dataTable); if (dataTable.Rows.Count == 1) { this.Hide(); ProductUi productUi = new ProductUi(); productUi.Show(); } else { MessageBox.Show("Please Check User Name or Password"); } sqlConnection.Close(); }
private void productPictureBox_Click(object sender, EventArgs e) { ProductUi productUi = new ProductUi(); productUi.Show(); }