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Show("Please enter a Salesperson's name", "No entry", Message Box Buttons. Show("Value must be a numeric value.", "Invalid Input", Message Box Buttons. Round(COMMISSION_RATE * (Selling Price - Cost Value), 2) 'Format and display results Total Commission Label. To String("C") Catch Cost Value Exception As Format Exception 'Handle a Cost Value exception Message Box. Show("Price must be a numeric value.", "Invalid Input", Message Box Buttons. Hello, I am newb to c# and I am working on an example. - The text should be displayed in the label as you type in the textbox and should hold the information of that particular text box when the user goes to another textbox. The challenge is to dynamically set the text of the label using the textboxes' text. - The user enters another string in the 2nd textbox which should add up to the label. In the long run, it will probably save you time, as you can put all of your validation logic in one [email protected] Koerner - this is crazy good! Finally, if you don't want to type out all of the controls, then you could do this in form load: You can do it all in the IDE, by just assigning the event to the textbox's validating event.We do this by coordinating practical parental involvement through the Class Representative Network and by organising social and fundraising events.Once your child is enrolled at the School each parent automatically becomes a member of Friends and we actively encourage parents to participate in any way they can.
try to use Required Field Validator it validates both client side and server side and also ignore whitespaces during validation.
Controls Clear Text Box(ctrl) If Type Of ctrl Is Text Box Then CType(ctrl, Text Box). Empty End If Next ctrl End Sub Private Sub Button2_Click(By Val sender As System.
Thanks in advance Public Sub Check Empty Textbox(Byval groupbox as Group Box) Dim txt as control For Each txt in groupbox. Text="" Then Msg Box("Please Input data to textbox.") Exit For End IF End IF Loop End Sub Public Sub Clear Text Box(By Val root As Control) For Each ctrl As Control In root.
Select All() End With Else 'Declare Variables Dim Selling Price, Cost Value, Commission As Decimal 'Test if Numerical data was entered for Selling Price Text Box Try 'Convert Selling Price Selling Price = Decimal. Text) 'Test if Numerical data was entered for Cost Value Text Box Try 'Convert Cost Value Cost Value = Decimal. Text) 'Calculate the Commission earned Commission = Decimal. Select All() End With End Try Catch Selling Price Exception As Format Exception 'Handle a Selling Price exception Message Box. Note: I also added the use of the If lbl Price Total Clothes.
Is there anyway to check them all at once to see if they are empty instead of writing out a massive line of code to check each one individually such as Dim empty = Me.