Private void Button1_Click (Object Sender, System.Eventargs E)
{
Checkbox C1; // = new checkbox ();
For (INT i = 0; i
{
C1 = (Checkbox) DG1.Items [i] .findControl ("CheckBox1");
IF (c1! = null && c1.checked)
{
Label1.text = label1.text DG1.Items [i] .cells [1] .text;
Label2.text = label2.text DG1.Items [i] .Cells [2] .TEXT;
}
}
Note that C1! = NULL This judgment, if this judgment is not added, NULL is abnormal error occurs.
