Solve real coding problems
Problem You’re using a DataGridView and you can’t edit one or more of the columns. When you click a cell, it just highlights and doesn’t enter editing mode. Check if your grid, column, or bound property are readonly. If any of these are readonly, you won’t be able to edit the values in the column. … Read more
Problem When you’re using WinForms and click a DataGridView column header, you get an exception like this: Index was out of range. Must be non-negative and less than the size of the collection. This problem is caused by the column header “row” triggering a click event (such as CellContentClick) with event args containing RowIndex of … Read more
Here’s how to handle the DataGridViewButtonColumn button click event: In this article I’ll show a step-by-step example of how to handle the button click. Example DataGridView with a button column When I click the button I want it to say Hi to the person. 1 – Set the DataSource to BindingList<Person> 2 – Add ClickHandler(Person … Read more