public ActionResult EditColumn(string tableName, SqliteDBHelper.ColumnInfo ct)
 {
     try
     {
         var columns = new List <SqliteDBHelper.ColumnInfo>();
         var clts    = SqliteDBHelper.GetColumnInfos(tableName);
         if (clts != null && clts.Count > 0)
         {
             foreach (var item in clts)
             {
                 if (item.Ordinal == ct.Ordinal)
                 {
                     columns.Add(ct);
                 }
                 else
                 {
                     columns.Add(item);
                 }
             }
         }
         columns = columns.OrderBy(b => b.Ordinal).ToList();
         SqliteDBHelper.AlterColumns(tableName, columns);
     }
     catch { }
     return(Redirect("/Manager/SqliteDataBase/EditTable/" + tableName));
 }