DataTable转换成JSON字符串的函数

DataTable转换成JSON字符串的函数

2009-01-09 15:45:35|  分类： 默认分类 |  标签：无 |字号大中小 订阅

 private string DataTable2Json(DataTable dt)
   {
        StringBuilder jsonBuilder = new StringBuilder();
        jsonBuilder.Append("{\"");
        jsonBuilder.Append(dt.TableName);
        jsonBuilder.Append("\":[");
        for (int i = 0; i < dt.Rows.Count; i++)
       {
            jsonBuilder.Append("{");
            for (int j = 0; j < dt.Columns.Count; j++)
           {
                jsonBuilder.Append("\"");
                jsonBuilder.Append(dt.Columns[j].ColumnName);
                jsonBuilder.Append("\":\"");
                jsonBuilder.Append(dt.Rows[i][j].ToString());
                jsonBuilder.Append("\",");
            }
            jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
            jsonBuilder.Append("},");
        }
        jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
        jsonBuilder.Append("]");
        jsonBuilder.Append("}");
        return jsonBuilder.ToString();
    }