Datagridview cellvalidating not working dating friend of ex

How can I force all the cells to validate in a datagrid in a c# winform application when a Tool Strip Button is pressed?

I have individual cell validation working when the user edits the cell it calls my cell validating event.

You must then call the Auto Resize Columns method to adjust the column widths to the calculated ideal.

For example, if you call the Auto Resize Rows(Data Grid View Auto Size Rows Mode, Boolean) overload of the Auto Resize Rows method and pass in a value of false for the Boolean parameter, the overload will calculate the ideal heights and widths for cells in the row, but it will adjust the row heights only.

But, I can't get it to validate all cells when a button is pressed.

I tried calling Validate() but it's not calling the Cell Validating function on every cell Why would you want it to force validation for all cells?

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Additional virtual-mode events let you enable specific functionality like user edits, row addition and deletion, and row-level transactions.

You can control which of the bound columns are displayed, and the data source itself typically handles operations such as sorting.

You can supplement bound mode by displaying unbound columns along with the bound columns.

Some standard Data Grid View events (such as events that occur when users add or delete rows, or when cell values are edited, parsed, validated, or formatted) are useful in virtual mode, as well.

You can also handle events that let you maintain values not typically stored in a bound data source, such as cell Tool Tip text, cell and row error text, cell and row shortcut menu data, and row height data.

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