public class myDataGridViewTextBoxColumn : DataGridViewTextBoxColumn
{
public myDataGridViewTextBoxColumn()
{
myDataGridViewTextBoxCell obj = new myDataGridViewTextBoxCell();
this.CellTemplate = obj;
}
}
public class myDataGridViewTextBoxCell : DataGridViewTextBoxCell
{
protected override void OnKeyPress(KeyPressEventArgs e, int rowIndex)
{
//只能输入数字
if (!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
{
e.Handled = true; //输入是数字
}
else
return;
base.OnKeyPress(e, rowIndex);
}
}
测试无效,甚至根本不执行OnKeyPress。不知道哪里有问题?