winform中DataGridView全选和反选

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winform中DataGridView全选和反选 

2010-05-18 09:37:57|  分类：

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dataGridView    添加checkbox列，全选和反选

       //全选，

        private void CheckAll_CheckedChanged(object sender, EventArgs e)

        {

            if (dataGridView1.Rows.Count>0)

            {

                for (int i = 0; i < dataGridView1.Rows.Count; i++)

                {

                    dataGridView1.Rows[i].Cells[0].Value = true;

                }

            }

        }

        //反选

        private void CheckReverse_CheckedChanged(object sender, EventArgs e)

        {

            if (dataGridView1.Rows.Count>0)

            {

                for (int i = 0; i < dataGridView1.Rows.Count; i++)

                {

                    if ((bool)dataGridView1.Rows[i].Cells[0].EditedFormattedValue)

                    {

                        dataGridView1.Rows[i].Cells[0].Value = false;

                    }

                    else

                        dataGridView1.Rows[i].Cells[0].Value = true;

                }

            }

}