DataGridView CellSelect and FullRowSelect

Question

So I have several datagridviews that we had set to FullRowSelect. The users are now requesting the ability to select on single cells for copy functions.

I set the DataGridView to CellSelect but when I run the app, when I click on the Row Header it doesn't highlight the Full Row, only the first column.

I tried using the RowHeaderMouseClick with a CellMouseClick to get the selection mode to shift but in order for RowHeaderMouseClick to select it fully I am having to click on the row header multiple times.

private void DataGridView_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
    dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
}

How can I easily or not so easily switch back and forth between CellSelect and FullRowSelect depending on what they have selected on the grid?

Answer 1

If I understand you, you want to be able to select single cells but also easily select a full row?

If that's the case, set SelectionMode to RowHeaderSelect.

Answer 2

DataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;

1- You are actually using the DataGridView Structure, and not your object DataGridView.

2- The SelectionMode shouldn't be modified every time the user click a Row, but in your Constructor of your program.

Example

public MyForm()
{
    dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
}

Answer 3

add this one line code.

this.dataGridView1.SelectionMode = isTrue == true ? DataGridViewSelectionMode.FullRowSelect : DataGridViewSelectionMode.RowHeaderSelect;