Something there is causing the cell validating event to fire. [Edit] The validating event is firing because focus is being moved from the DGV to the button.provides a convenient way to realize data validation before it is committed to the underlying data source.1) Add a conditional statement in the event handler code to only execute when required. Cell Validating -= new Data Grid View Cell Validating Event Args(dgv Sub Contractor_Cell Validating); it says that "Error 7 'System. hey what do ouy mena by the below private void data Grid View1_Cell Validating(object sender, Data Grid View Cell Validating Event Args e) if (adding Row) - is to call the button event for adding a new row is it every time the cell validating event triggers and a value is entered in the datagridview cell right??
The Data Grid View is a very powerful windows form control for providing a user interface to tabular data.Afterwards, you should have a fully-functional program that will allow you to view the data in the Data Table. When an input error occurs, there will be a little red exclamation point at that cell location.Hi there, I have a question regarding datagridview, I add data to the datagridview in an interface and all the validation for the datagridview cell is in the datagridview cell validating event for the datagridview.If it is less than five characters, you set the Error Text property of that cell to some error message.Notice how the Column Index and Row Index properties of Data Grid View Cell Validating Event Args parameter are used.