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3 Posted Topics
 | This code works for me but when i delete both value of the textbox the total is still there... any solution for my problem? |
 | I dont know the code! PLS HELP!!! I want to create a program that scan QR Code and Display the value in a textbox in VB.NET |
| | Private Sub txtamount_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtamount.TextChanged If String.IsNullOrEmpty(txtquantity.Text) OrElse String.IsNullOrEmpty(txtamount.Text) Then Exit Sub If Not IsNumeric(txtquantity.Text) OrElse Not IsNumeric(txtamount.Text) Then Exit Sub txttotal.Text = CDbl(txtquantity.Text) * CDbl(txtamount.Text) End Sub Private Sub txtquantity_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtquantity.TextChanged If String.IsNullOrEmpty(txtquantity.Text) OrElse … |
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