U9冻结列

 public void AfterCreateChildControls()
        {

            //冻结列
            this.DataGrid5.FrozenControlColumn = true;
           
            this.DataGrid5.Columns["ItemMaster"].Frozen = true;
           // this.DataGrid5.Columns["ItemMaster_Code"].Frozen = true;
            this.DataGrid5.Columns["SPECS"].Frozen = true;
            this.DataGrid5.Columns["Color"].Frozen = true;
            this.DataGrid5.Columns["ColorRatio"].Frozen = true;

来源：https://blog.csdn.net/dzy1314520/article/details/99074394