/// <summary>
/// 添加元素属性
/// </summary>
/// <param name="p_objclsElementAttribute"></param>
/// <param name="p_xmlWriter"></param>
private void m_mthAddElementAttibute(clsElementAttribute p_objclsElementAttribute, ref System.Xml.XmlTextWriter p_xmlWriter)
{
p_xmlWriter.WriteStartElement(p_objclsElementAttribute.m_strElementName);
p_xmlWriter.WriteAttributeString("VALUE", p_objclsElementAttribute.m_strValue);
if (p_objclsElementAttribute.m_blnIsDST == true)
{
p_xmlWriter.WriteAttributeString("VALUEXML", p_objclsElementAttribute.m_strValueXML);
}
p_xmlWriter.WriteEndElement();
}
/// <summary>
/// 从DataTable和对应的GroupBox中的内容得到XML串
/// </summary>
/// <param name="p_objclsElementAttributeArr">p_dtbTable列数 ==p_objclsElementAttributeArr的长度（GroupBox中各项+签名+时间，每项对应一个clsElementAttribute对象）</param>
/// <param name="p_dtbTable">记录对应的DataTable</param>
/// <param name="p_objXmlMemStream"></param>
/// <param name="p_xmlWriter"></param>
/// <returns>若参数错误返回null</returns>
public string m_strGetXMLFromDataTable(clsElementAttribute[] p_objclsElementAttributeArr, System.Data.DataTable p_dtbTable, ref System.IO.MemoryStream p_objXmlMemStream, ref System.Xml.XmlTextWriter p_xmlWriter)
{
if (p_objclsElementAttributeArr == null || p_dtbTable.Columns.Count != p_objclsElementAttributeArr.Length)
{
return(null);
}
p_objXmlMemStream.SetLength(0);
p_xmlWriter.WriteStartDocument();
p_xmlWriter.WriteStartElement("Main");
clsElementAttribute objclsElementAttribute = new clsElementAttribute();
bool blnIsModified = m_blnIsModified(p_objclsElementAttributeArr, p_dtbTable);
if (blnIsModified == true) //如果被修改，添加当前值
{
p_xmlWriter.WriteStartElement("Sub");
for (int j0 = 0; j0 < p_objclsElementAttributeArr.Length; j0++)
{
m_mthAddElementAttibute(p_objclsElementAttributeArr[j0], ref p_xmlWriter);
}
p_xmlWriter.WriteEndElement();
}
for (int i1 = 0; i1 < p_dtbTable.Rows.Count; i1++) //重写原来的痕迹
{
p_xmlWriter.WriteStartElement("Sub");
for (int j2 = 0; j2 < p_objclsElementAttributeArr.Length; j2++)
{
objclsElementAttribute.m_blnIsDST = p_objclsElementAttributeArr[j2].m_blnIsDST; //默认为非DST格式，即为bool类型
objclsElementAttribute.m_strElementName = p_objclsElementAttributeArr[j2].m_strElementName;
if (objclsElementAttribute.m_blnIsDST == false)
{
objclsElementAttribute.m_strValue = p_dtbTable.Rows[i1][j2].ToString();
}
else
{
objclsElementAttribute.m_strValue = ((clsDSTRichTextBoxValue)(p_dtbTable.Rows[i1][j2])).m_strText;
objclsElementAttribute.m_strValueXML = ((clsDSTRichTextBoxValue)(p_dtbTable.Rows[i1][j2])).m_strDSTXml;
}
m_mthAddElementAttibute(objclsElementAttribute, ref p_xmlWriter);
}
p_xmlWriter.WriteEndElement();
}
p_xmlWriter.WriteEndElement();
p_xmlWriter.WriteEndDocument();
p_xmlWriter.Flush();
return(System.Text.Encoding.Unicode.GetString(p_objXmlMemStream.ToArray(), 39 * 2, (int)p_objXmlMemStream.Length - 39 * 2));
}
/// <summary>
/// 根据XML格式设置DataGrid中的内容
/// </summary>
/// <param name="strXML">主表中与DataGrid整体对应的XML字段内容</param>
/// <param name="p_objclsElementAttributeArr">只需要赋值其中每项的m_blnIsDST和m_strElementName即可</param>
/// <param name="p_dtgGrid">待设置内容的DataGrid名称</param>
/// <returns>正确执行返回true,参数错误返回false</returns>
public bool m_blnSetDataFromXML(string strXML, bool[] p_blnIsDSTArr, System.Xml.XmlParserContext p_objXmlParser, ref System.Windows.Forms.DataGrid p_dtgGrid)
{
if (strXML == null || strXML.Trim() == "" || p_blnIsDSTArr == null)
{
return(false);
}
DataTable dtbTable = (DataTable)p_dtgGrid.DataSource;
p_dtgGrid.CurrentRowIndex = 0;
dtbTable.Rows.Clear();
XmlTextReader objReader = new XmlTextReader(strXML, XmlNodeType.Element, p_objXmlParser);
objReader.WhitespaceHandling = WhitespaceHandling.None;
clsElementAttribute[] objclsElementAttributeArr = new clsElementAttribute[p_blnIsDSTArr.Length];
for (int j0 = 0; j0 < p_blnIsDSTArr.Length; j0++)
{
objclsElementAttributeArr[j0] = new clsElementAttribute();
objclsElementAttributeArr[j0].m_blnIsDST = p_blnIsDSTArr[j0]; //默认为非DST格式，即为bool类型
}
int j2 = 0;
while (objReader.Read())
{
switch (objReader.NodeType)
{
case XmlNodeType.Element: //
if (objReader.HasAttributes)
{
objclsElementAttributeArr[j2].m_strValue = objReader.GetAttribute("VALUE");
objclsElementAttributeArr[j2].m_strValueXML = objReader.GetAttribute("VALUEXML");
if (j2 == objclsElementAttributeArr.Length - 1)
{
Object[] objRes = new object[objclsElementAttributeArr.Length];
for (int k3 = 0; k3 < objclsElementAttributeArr.Length; k3++)
{
if (objclsElementAttributeArr[k3].m_blnIsDST == false)
{
objRes[k3] = objclsElementAttributeArr[k3].m_strValue == "True" ? true:false;
}
else
{
clsDSTRichTextBoxValue objclsDSTRichTextBoxValue = new clsDSTRichTextBoxValue();
objclsDSTRichTextBoxValue.m_strText = objclsElementAttributeArr[k3].m_strValue;
objclsDSTRichTextBoxValue.m_strDSTXml = objclsElementAttributeArr[k3].m_strValueXML;
objRes[k3] = objclsDSTRichTextBoxValue;
}
}
dtbTable.Rows.Add(objRes);
j2 = 0;
}
else
{
j2++;
}
}
break;
}
}
return(true);
}