private static void WriteField(XmlWriter writer, CremaDataRow dataRow, CremaDataColumn dataColumn, bool ignoreDefaultValue)
{
var dataType = dataColumn.DataType;
var value = dataRow[dataColumn];
if (value == DBNull.Value)
{
return;
}
var converter = TypeDescriptor.GetConverter(dataColumn.DataType);
var textValue = CremaXmlConvert.ToString(value, dataType);
if (object.Equals(value, dataColumn.DefaultValue) == true)
{
writer.WriteStartElement(dataColumn.ColumnName);
writer.WriteEndElement();
}
else
{
writer.WriteStartElement(dataColumn.ColumnName);
writer.WriteValue(textValue);
writer.WriteEndElement();
}
}
public static void WriteAttribute(this XmlWriter writer, string localName, DateTime value)
{
if (value != DateTime.MinValue)
{
writer.WriteAttributeString(localName, CremaXmlConvert.ToString(value));
}
}
public static void WriteAttribute(this XmlWriter writer, string localName, int value)
{
if (value != 0)
{
writer.WriteAttributeString(localName, CremaXmlConvert.ToString(value));
}
}
public static DateTime GetAttributeAsDateTime(this XmlReader reader, string name, XmlDateTimeSerializationMode mode)
{
var text = reader.GetAttribute(name);
if (string.IsNullOrEmpty(text) == true)
{
return(DateTime.MinValue);
}
return(CremaXmlConvert.ToDateTime(text, mode));
}
public static bool GetAttributeAsBoolean(this XmlReader reader, string name)
{
var text = reader.GetAttribute(name);
if (string.IsNullOrEmpty(text) == true)
{
return(false);
}
return(CremaXmlConvert.ToBoolean(text));
}
public static int GetAttributeAsInt32(this XElement element, string name)
{
var text = element.GetAttribute(name);
if (string.IsNullOrEmpty(text) == true)
{
return(0);
}
return(CremaXmlConvert.ToInt32(text));
}
public static int GetAttributeAsInt32(this XmlReader reader, string name)
{
var text = reader.GetAttribute(name);
if (string.IsNullOrEmpty(text) == true)
{
return(0);
}
return(CremaXmlConvert.ToInt32(text));
}
public static bool TryGetAttributeAsDateTime(this XmlReader reader, string name, XmlDateTimeSerializationMode mode, out DateTime value)
{
var text = reader.GetAttribute(name);
if (string.IsNullOrEmpty(text) == true)
{
value = new DateTime();
return(false);
}
value = CremaXmlConvert.ToDateTime(text, mode);
return(true);
}
public static bool TryGetAttributeAsInt32(this XmlReader reader, string name, out int value)
{
var text = reader.GetAttribute(name);
if (string.IsNullOrEmpty(text) == true)
{
value = 0;
return(false);
}
value = CremaXmlConvert.ToInt32(text);
return(true);
}
private void WriteAttribute(XmlWriter writer, InternalDataRow dataRow, InternalAttribute dataColumn)
{
var field = dataRow[dataColumn];
if (field == DBNull.Value || object.Equals(field, dataColumn.DefaultValue) == true)
{
return;
}
var textValue = CremaXmlConvert.ToString(field, dataColumn.DataType);
if (string.IsNullOrEmpty(textValue) == false)
{
writer.WriteStartAttribute(dataColumn.AttributeName);
writer.WriteValue(textValue);
writer.WriteEndAttribute();
}
}