asp.net json和Datatable格式的相互转化

throw new Exception(ex.Message);
            }
            return json;
        }
        #endregion

//取出表名  
            Regex rg = new Regex(@"(?<={)[^:]+(?=:/\[)", RegexOptions.IgnoreCase);
            string strName = rg.Match(strJson).Value;
            DataTable tb = null;
            //去除表名  
            strJson = strJson.Substring(strJson.IndexOf("[") + 1);
            strJson = strJson.Substring(0, strJson.IndexOf("]"));

//获取数据  
            rg = new Regex(@"(?<={)[^}]+(?=})");
            MatchCollection mc = rg.Matches(strJson);
            for (int i = 0; i < mc.Count; i++)
            {
                string strRow = mc[i].Value;
                string[] strRows = strRow.Split(‘,‘);

//创建表  
                if (tb == null)
                {
                    tb = new DataTable();
                    tb.TableName = strName;
                    foreach (string str in strRows)
                    {
                        DataColumn dc = new DataColumn();

string[] strCell = str.Split(‘:‘);
                        dc.ColumnName = strCell[0].ToString().Trim().Replace("‘", "");
                        // row[dc.ColumnName] = strCell[1].ToString();
                        tb.Columns.Add(dc);
                        // t .Columns[strCell[0].ToString()].te
                    }

tb.AcceptChanges();
                }
                DataRow row = tb.NewRow();

foreach (var item in strRows)
                {
                    string[] strCell1 = item.Split(‘:‘);
                    string lie = strCell1[0].ToString().Trim().Replace("‘", "");
                    string zhi = strCell1[1].ToString().Trim().Replace("‘", "");
                    // row[strCell1[0].ToString()] = strCell1[1].ToString();
                    row[lie] = zhi;
                }
                tb.Rows.Add(row);
                // t .Columns[strCell[0].ToString()].te
            }
            tb.AcceptChanges();
            return tb;
        }
        #endregion