I am trying to get custom date validation working on an editable cell. Using                                         <xcdg:Column ...

Hello, we have an application with 20-50 Columns. Our problem is when a column isn't inside the visible range the validation rules are not executed and no error glyph appears in the front of a row in the rowheader. If we scroll the Datagrid horizontal the validation rules are fired as soon as a column gets into view.What can we do to ...

Hello, Let's get directly into the problem. I want to validate a row calling explicitly the ''Validate'' method of the CellEditorManager or override its ''ValidateCore'' method but I can't it neither on CellEditors nor Column objects in the WPF assembly Xceed.WPF.DataGrid . How can I force the validation of a complete DataRow when a cell content ...

Hi, Is there any way to hide the error indicator image (exclamation sign) on row selector in case of validation errors. If not is it possible to change image instead of exclamation mark.  Thanks, Amit

Hi fellow developers, I have a problem that i cannot seem to solve and need an advice. The problem is that when a cell value is changed (and cell focus is lost), the old value of the cell is passed to Validate method. Consequently, it is needed to click few more times in order to pass the new value to the validate method. Do you have any ...

Hi  I am trying to implement a CellValidationRule that will throw an error if a duplicate entry exists in the grid already.  The problem is that within my custom validation method, the thrid parameter ''CellValidationContext context'' refers to a cell, and i can not gain access to the grid control from this object. I can get the ...

Hi, I have a datagrid which shows Actual, Min and Max values. In edit mode I'd like to change the min and max values based on the actual (say for example +/- 5 ) How can i do this in the xceed datagrid for WPF? - I'd also like it to happen as soon as the actual value cell  loses focus and not just after the user moves off the row. many ...

I'm also in a similar situation. I load the data into the grid and I want to display the validation error in grid without user having to click in cell. Can somebody from xceed please respond?

Is there an easy way to disable validation within the entire datagrid when bound to objects that implement IDataErrorInfo?

Did you set the validation criterion using the validation provider on the cells of the datarow template? For your last question you need to invoke the ValidationProvider.Validate() method to update the validation if you are using the manual mode. You can choose when to invoke validation according to your needs. If you want to invoke when the ...