private void btnContinue_Click(object sender, EventArgs e) { if (AreCmbBoxesValid()) { ValidateUpdateTargetMargin(); var _Deal_Manager = DealManagement.GetInstance(); if (AreEnteredUnitsValid()) { lblErrorMssg.Visible = false; lblErrorMssgUnits.Visible = false; CalculateOutputs(); TabControl.EnableTab(costTab); TabControl.EnableTab(pricingTab); TabControl.EnableTab(TabCasperCostInput); TabControl.SelectTab(costTab); } else { GridTecnologies.CurrentCell = GridTecnologies.Rows[0].Cells[1]; GridTecnologies.BeginEdit(true); } } }