/// <summary>
/// DataSet转为js的数组形式，若为空，则返回[]
/// </summary>
/// <param name="ds">数据源</param>
/// <returns>json数组</returns>
public static string ConvertDataSetToArray(System.Data.DataSet ds)
{
string str = string.Empty;
if (null != ds && ds.Tables.Count > 0)
{
List <string> strTemp = new List <string>();
for (int i = 0; i < ds.Tables.Count; i++)
{
strTemp.Add(LitJson.ConvertDataTableToArray(ds.Tables[i]));
}
str = String.Join(",", strTemp.ToArray());
}
return(string.Format("[{0}]", str));
}
/// <summary>
/// List转为数组，若为空，则直接返回[]
/// </summary>
/// <param name="lst">数据源</param>
/// <returns>json数组</returns>
public static string ConvertListToArray <T>(IList <T> lst)
{
string str = string.Empty;
if (null != lst && lst.Count > 0)
{
List <string> strTemp = new List <string>();
foreach (T m in lst)
{
strTemp.Add(LitJson.ConvertObjectToJson(m));
}
str = String.Join(",", strTemp.ToArray());
}
return(string.Format("[{0}]", str));
}
/// <summary>
/// DataTable转为json
/// </summary>
/// <param name="dt">数据源</param>
/// <param name="jsonName">指定的json key名</param>
/// <returns>json</returns>
public static string ConvertDataTableToJson(DataTable dt, string jsonName)
{
return(string.Format(@"{{""{0}"":{1}}}", jsonName, LitJson.ConvertDataTableToArray(dt)));
}
/// <summary>
/// List转为json
/// </summary>
/// <param name="lst">数据源</param>
/// <param name="jsonName">指定json key名</param>
/// <returns>json</returns>
public static string ConvertListToJson <T>(IList <T> lst, string jsonName)
{
return(string.Format(@"{{""{0}"":{1}}}", jsonName, LitJson.ConvertListToArray <T>(lst)));
}
/// <summary>
/// DataSet转为json
/// </summary>
/// <param name="ds">数据源</param>
/// <param name="jsonName">指定json key名</param>
/// <returns>json</returns>
public static string ConvertDataSetToJson(DataSet ds, string jsonName)
{
return(string.Format(@"{{""{0}"":{1}}}", jsonName, LitJson.ConvertDataSetToArray(ds)));
}