Cellvalidating event in datagridview

By default, it skips the current cell and places the focus in the row below.

That is OK, but what I want is to override that behavior when the datagrid cell's content matches a certain condition (in my case, I am checking for duplicated values in a column).

I would like to refactor so that I can create unit tests to be able to test the logic that effects changing the back color of cells, and updating other cells.

The problem I am having is how to refactor logic to an external class, that has references to the winform controls.

NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。 関連項目Data Grid View クラスData Grid View メンバSystem. Forms 名前空間Data Grid View Cell Validating Event Handler Data Grid View Cell Validating Event Args Data Grid View.

Cancel = True else 'here I was thinking on something like Data Grid View Text Box Column7.value = 60 and so on, but none of this works. I just tested with ' Cell Enter' event and I found that it works as you expect. Cell Validating event lets you cancel changes to the current cell when the new value is not valid. Formatted Value property to determine the current value.Column Index properties to access the cell through the Data Grid View. I want to refactor this code that is currently in a partial Form Class and deals with edits made on certain cells in a datagridview (in this case called dgv Replenish).

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