if (i<dataReader.FieldCount - 1)

{

jsonString.Append(strValue + ",");

}

else

{

jsonString.Append(strValue);

}

}

jsonString.Append("},");

}

dataReader.Close();

jsonString.Remove(jsonString.Length - 1, 1);

jsonString.Append("]");

returnjsonString.ToString();

}

///<summary>

///DataSet转换为Json

///</summary>

///<param name="dataSet">DataSet对象</param>

///<returns>Json字符串</returns>

publicstaticstringToJson(DataSetdataSet)

{

stringjsonString = "{";

foreach (DataTable table indataSet.Tables)

{

jsonString += "\"" + table.TableName + "\":" + ToJson(table) + ","; }

jsonString = jsonString.TrimEnd(',');

returnjsonString + "}";

}

///<summary>

/// 过滤特殊字符

///</summary>

///<param name="s"></param>

///<returns></returns>

privatestaticstring String2Json(String s)

{

StringBuildersb = newStringBuilder();

for (inti = 0; i<s.Length; i++)

{

char c = s.ToCharArray()[i];