It is always raised before the Row Validated event, which is described in the next section.
Private Sub rad Grid View_Row Validating(By Val sender As Object, By Val e As Telerik. Although Git Hub is a very well-known platform, we saw a better and easier approach for reviewing our examples in our SDK Samples Browser. NET in VS2010 it seems that when you close a Win Form the "Row Validating" event of the Data Grid View on that form behaves differently depending on whether the form is MODAL or NON-MODAL. What we did was open the form (MODAL and NONMODAL) and changed a value of a cell and then immediately clicked the "X" to close the form. They do not occur when the Rad Grid View loads data.The Cell Validating event occurs always before the Cell Validated event when the edited cell is about to lose its focus.Example 3 shows how to validate the Order No property of the Order object to be longer than 5 characters. However, instead of getting an individual cell, you are getting an entire row. Please check this help article for information about how to clear user defined errors. Example 7 shows you how to use Data Annotations in order to validate the Order NO property of the Order object.
Attach to the Cell Validating event, which is exposed by the Rad Grid View. Example 5 shows how to validate the Order NO and Total properties of the Order object. Rad Grid View also allows you to take advantage of the System. Public Property Order NO() As String Get Return Me.m_order No End Get Set(By Val value As String) Dim validation Context As New Validation Context(Me, Nothing, Nothing) validation Context. Validate Property(value, validation Context) Me.m_order No = value End Set End Property Once the UI and Data validation is passed (i.e., the Binding tried to update the value for the bound property), the Cell Validated event is raised. Here you can also add a custom logic like changing the visual state of the editor (through the e. For a general example on how to validate the data, you can check our Validation online demos.
It is raised after the Row Validating event (when the Is Valid is not set to False), described in the previous section.
This gave me one result only which sent me to what i though was going to be the article. from here i was give a list of the files for that article and i was able to click on the files i which were failing the normal way.
It looks like the "Row Validating" event DOESN'T fire if the grid is on a MODAL form but it DOES fire when the grid is on a NON-MODAL form.
You can run in the immediate window by typing and seeing if you get the Row Validating popup from the handler: Module _Sandbox Test Sub Data Grid View Test Non Modal() Dim frm As New Form Dim dtable As New Data Table() dtable.
The validation events are meant to support the data validation of the user input.