Vb net validating event
Clicking on a button, or entering some text in a text box, or clicking on a menu item, all are examples of events. Text = "tutorialspont.com" End Sub Private Sub txt ID_Mouse Enter(sender As Object, e As Event Args)_ Handles txt ID. Mouse Leave 'code for handling mouse leave on ID textbox txt ID. An event is an action that calls a function or may cause another event. There are mainly two types of events − Public Class Form1 Private Sub Form1_Load(sender As Object, e As Event Args) Handles My Base. Mouse Enter 'code for handling mouse enter on ID textbox txt ID. Blue End Sub Private Sub Button1_Click(sender As Object, e As Event Args) _ Handles Button1. Text & ", for your kind cooperation") End Sub End Class When the above code is executed and run using Start button available at the Microsoft Visual Studio tool bar, it will show the following window − Try to enter text in the text boxes and check the mouse events − Following are the various keyboard events related with a Control class − Private Sub txt ID_Key UP(sender As Object, e As Key Event Args) _ Handles txt ID. Text = " " End If End Sub Private Sub txt Age_Key UP(sender As Object, e As Key Event Args) _ Handles txt Age. For example, consider the following VB6 code: Private Sub Text1_Got Focus() Text1.
Text = "") End Sub Now consider the corresponding VB. If the end user clicks on a different control and Text1 contains an empty string, the Lost Focus event resets the background color to white, then the Validate event cancels the focus shift, and finally the Got Focus event changes the background color to yellow again. If this is the case, the converted code might fail or behave unexpectedly.To learn more about your VB6 applications, run VB6 Analyzer on your source code and send us the generated text file.You will receive a detailed report about your VB6 applications and how VB Migration Partner can help you to quickly and effectively migrate it to . Blue End Sub Private Sub txt Address_Mouse Enter(sender As Object, e As Event Args) _ Handles txt Address. Mouse Leave 'code for handling mouse leave on Address textbox txt Address. White End Sub Private Sub txt Address_Mouse Leave(sender As Object, e As Event Args) _ Handles txt Address.
my requirement is when i will click on tollbar then textbox focus should be lost because i want to call validating event of textbox while clicking on the toolbar.