|
static private CreateWriter ( |
||
| xw | ||
| Результат | ||
internal void Save(XmlWriter xmlw, DataTable table)
{
this._xmlw = DataTextWriter.CreateWriter(xmlw);
this._xmlw.WriteStartElement("diffgr", "diffgram", "urn:schemas-microsoft-com:xml-diffgram-v1");
this._xmlw.WriteAttributeString("xmlns", "msdata", null, "urn:schemas-microsoft-com:xml-msdata");
if (!this.EmptyData())
{
if (table != null)
{
new XmlDataTreeWriter(table, this._writeHierarchy).SaveDiffgramData(this._xmlw, this.rowsOrder);
}
else
{
new XmlDataTreeWriter(this._ds).SaveDiffgramData(this._xmlw, this.rowsOrder);
}
if (table == null)
{
for (int i = 0; i < this._ds.Tables.Count; i++)
{
this.GenerateTable(this._ds.Tables[i]);
}
}
else
{
for (int j = 0; j < this._tables.Count; j++)
{
this.GenerateTable((DataTable)this._tables[j]);
}
}
if (this.fBefore)
{
this._xmlw.WriteEndElement();
}
if (table == null)
{
for (int k = 0; k < this._ds.Tables.Count; k++)
{
this.GenerateTableErrors(this._ds.Tables[k]);
}
}
else
{
for (int m = 0; m < this._tables.Count; m++)
{
this.GenerateTableErrors((DataTable)this._tables[m]);
}
}
if (this.fErrors)
{
this._xmlw.WriteEndElement();
}
}
this._xmlw.WriteEndElement();
this._xmlw.Flush();
}
internal void SaveDiffgramData(XmlWriter xw, Hashtable rowsOrder)
{
this._xmlw = DataTextWriter.CreateWriter(xw);
this.isDiffgram = true;
this.rowsOrder = rowsOrder;
string prefix = (this._ds != null) ? ((this._ds.Namespace.Length == 0) ? "" : this._ds.Prefix) : ((this._dt.Namespace.Length == 0) ? "" : this._dt.Prefix);
if (((this._ds == null) || (this._ds.DataSetName == null)) || (this._ds.DataSetName.Length == 0))
{
this._xmlw.WriteStartElement(prefix, "DocumentElement", (this._dt.Namespace == null) ? "" : this._dt.Namespace);
}
else
{
this._xmlw.WriteStartElement(prefix, XmlConvert.EncodeLocalName(this._ds.DataSetName), this._ds.Namespace);
}
for (int i = 0; i < this._dTables.Count; i++)
{
DataTable table = (DataTable)this._dTables[i];
foreach (DataRow row in table.Rows)
{
if (row.RowState != DataRowState.Deleted)
{
int nestedParentCount = row.GetNestedParentCount();
if (nestedParentCount == 0)
{
DataTable table2 = (DataTable)this._dTables[i];
this.XmlDataRowWriter(row, table2.EncodedTableName);
}
else if (nestedParentCount > 1)
{
throw ExceptionBuilder.MultipleParentRows((table.Namespace.Length == 0) ? table.TableName : (table.Namespace + table.TableName));
}
}
}
}
this._xmlw.WriteEndElement();
this._xmlw.Flush();
}
internal void Save(XmlWriter xw, bool writeSchema)
{
this._xmlw = DataTextWriter.CreateWriter(xw);
int length = this.topLevelTables.Length;
bool flag = true;
string prefix = (this._ds != null) ? ((this._ds.Namespace.Length == 0) ? "" : this._ds.Prefix) : ((this._dt.Namespace.Length == 0) ? "" : this._dt.Prefix);
if (((!writeSchema && (this._ds != null)) && (this._ds.fTopLevelTable && (length == 1))) && (this._ds.TopLevelTables()[0].Rows.Count == 1))
{
flag = false;
}
if (flag)
{
if (this._ds == null)
{
this._xmlw.WriteStartElement(prefix, "DocumentElement", this._dt.Namespace);
}
else if ((this._ds.DataSetName == null) || (this._ds.DataSetName.Length == 0))
{
this._xmlw.WriteStartElement(prefix, "DocumentElement", this._ds.Namespace);
}
else
{
this._xmlw.WriteStartElement(prefix, XmlConvert.EncodeLocalName(this._ds.DataSetName), this._ds.Namespace);
}
for (int j = 0; j < this._dTables.Count; j++)
{
if (((DataTable)this._dTables[j]).xmlText != null)
{
this._xmlw.WriteAttributeString("xmlns", "xsi", "http://www.w3.org/2000/xmlns/", "http://www.w3.org/2001/XMLSchema-instance");
break;
}
}
if (writeSchema)
{
if (!this.fFromTable)
{
new XmlTreeGen(SchemaFormat.Public).Save(this._ds, this._xmlw);
}
else
{
new XmlTreeGen(SchemaFormat.Public).Save(null, this._dt, this._xmlw, this._writeHierarchy);
}
}
}
for (int i = 0; i < this._dTables.Count; i++)
{
foreach (DataRow row in ((DataTable)this._dTables[i]).Rows)
{
if (row.RowState != DataRowState.Deleted)
{
int nestedParentCount = row.GetNestedParentCount();
if (nestedParentCount == 0)
{
this.XmlDataRowWriter(row, ((DataTable)this._dTables[i]).EncodedTableName);
}
else if (nestedParentCount > 1)
{
DataTable table = (DataTable)this._dTables[i];
throw ExceptionBuilder.MultipleParentRows((table.Namespace.Length == 0) ? table.TableName : (table.Namespace + table.TableName));
}
}
}
}
if (flag)
{
this._xmlw.WriteEndElement();
}
this._xmlw.Flush();
}
