DataGridView的锁定行和锁定列
1，锁定行

 this.Rows[CurrentCell.RowIndex].Frozen = true;

2,锁定列

this.Columns[this.CurrentCell.ColumnIndex].Frozen = true;

3,取消锁定行和锁定列

this.Rows[0].Frozen = false;this.Columns[0].Frozen = false;

注意：去消锁定行和锁定列的索引是0