How to convert DataTable to XML in C# ?

Method for convert DataTable to XML in C#:

 public string ConvertToXML(DataTable dt)

{

MemoryStream mstr = new MemoryStream();

dt.WriteXml(mstr, true);

mstr.Seek(0, SeekOrigin.Begin);

StreamReader sr = new StreamReader(mstr);

string xmlString;

xmlString = sr.ReadToEnd();

return (xmlString);

}

OR

///

/// This method is used to convert the DataTable into string XML format.

///

/// DataTable to be converted./// (string) XML form of the DataTable.

private static string ConvertDataTableToXML(DataTable dtBuildSQL)

{

DataSet dsBuildSQL = new DataSet();

StringBuilder sbSQL;

StringWriter swSQL;

string XMLformat;

sbSQL = new StringBuilder();

swSQL = new StringWriter(sbSQL);

dsBuildSQL.Merge(dtBuildSQL, true, MissingSchemaAction.AddWithKey);

dsBuildSQL.Tables[0].TableName = "Table";

foreach (DataColumn col in dsBuildSQL.Tables[0].Columns)

{

col.ColumnMapping = MappingType.Attribute;

}

dsBuildSQL.WriteXml(swSQL, XmlWriteMode.WriteSchema);

XMLformat = sbSQL.ToString();

return XMLformat;

}