string strId = null;
            strId = GvGcmc.Rows[e.RowIndex].Cells[2].Text.ToString().Trim();
            GvGcmc.DataSourceID = null;
            GvGcmc.AllowPaging = false;   //取消分页
            string strGcmcTemp = null;            
            string strTempId = null;
            GvGcmc.DataSource = AccessDataSource1;
            GvGcmc.DataBind();            
            for (int i = 0; i < GvGcmc.Rows.Count; i++) 
            {
                strGcmcTemp = GvGcmc.Rows[i].Cells[3].Text.ToString().Trim();  //取到的值为空
                strTempId = GvGcmc.Rows[i].Cells[2].Text.ToString().Trim();
                
                if (strId != strTempId)               
                {                    
                    if(strGcmcTemp == cell2)
                    {
                        GvGcmc.AllowPaging = true;  //恢复分页
                        Response.Write("<script> alert('该“工程名称”已存在,请重新输入“工程名称”！')</script>");
                        return;
                    }
                }            
            }
            GvGcmc.AllowPaging = true;  //恢复分页

strGcmcTemp = GvGcmc.Rows[i].Cells[3].Text.ToString().Trim();  //取到的值为空