public override global::System.Data.DataSet Clone()
{
School_SystemDataSet3 cln = ((School_SystemDataSet3)(base.Clone()));
cln.InitVars();
cln.SchemaSerializationMode = this.SchemaSerializationMode;
return(cln);
}
public static global::System.Xml.Schema.XmlSchemaComplexType GetTypedDataSetSchema(global::System.Xml.Schema.XmlSchemaSet xs)
{
School_SystemDataSet3 ds = new School_SystemDataSet3();
global::System.Xml.Schema.XmlSchemaComplexType type = new global::System.Xml.Schema.XmlSchemaComplexType();
global::System.Xml.Schema.XmlSchemaSequence sequence = new global::System.Xml.Schema.XmlSchemaSequence();
global::System.Xml.Schema.XmlSchemaAny any = new global::System.Xml.Schema.XmlSchemaAny();
any.Namespace = ds.Namespace;
sequence.Items.Add(any);
type.Particle = sequence;
global::System.Xml.Schema.XmlSchema dsSchema = ds.GetSchemaSerializable();
if (xs.Contains(dsSchema.TargetNamespace))
{
global::System.IO.MemoryStream s1 = new global::System.IO.MemoryStream();
global::System.IO.MemoryStream s2 = new global::System.IO.MemoryStream();
try {
global::System.Xml.Schema.XmlSchema schema = null;
dsSchema.Write(s1);
for (global::System.Collections.IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext();)
{
schema = ((global::System.Xml.Schema.XmlSchema)(schemas.Current));
s2.SetLength(0);
schema.Write(s2);
if ((s1.Length == s2.Length))
{
s1.Position = 0;
s2.Position = 0;
for (; ((s1.Position != s1.Length) &&
(s1.ReadByte() == s2.ReadByte()));)
{
;
}
if ((s1.Position == s1.Length))
{
return(type);
}
}
}
}
finally {
if ((s1 != null))
{
s1.Close();
}
if ((s2 != null))
{
s2.Close();
}
}
}
xs.Add(dsSchema);
return(type);
}
public virtual int UpdateAll(School_SystemDataSet3 dataSet)
{
if ((dataSet == null))
{
throw new global::System.ArgumentNullException("dataSet");
}
if ((dataSet.HasChanges() == false))
{
return(0);
}
global::System.Data.IDbConnection workConnection = this.Connection;
if ((workConnection == null))
{
throw new global::System.ApplicationException("TableAdapterManager contains no connection information. Set each TableAdapterMana" +
"ger TableAdapter property to a valid TableAdapter instance.");
}
bool workConnOpened = false;
if (((workConnection.State & global::System.Data.ConnectionState.Broken)
== global::System.Data.ConnectionState.Broken))
{
workConnection.Close();
}
if ((workConnection.State == global::System.Data.ConnectionState.Closed))
{
workConnection.Open();
workConnOpened = true;
}
global::System.Data.IDbTransaction workTransaction = workConnection.BeginTransaction();
if ((workTransaction == null))
{
throw new global::System.ApplicationException("The transaction cannot begin. The current data connection does not support transa" +
"ctions or the current state is not allowing the transaction to begin.");
}
global::System.Collections.Generic.List <global::System.Data.DataRow> allChangedRows = new global::System.Collections.Generic.List <global::System.Data.DataRow>();
global::System.Collections.Generic.List <global::System.Data.DataRow> allAddedRows = new global::System.Collections.Generic.List <global::System.Data.DataRow>();
global::System.Collections.Generic.List <global::System.Data.Common.DataAdapter> adaptersWithAcceptChangesDuringUpdate = new global::System.Collections.Generic.List <global::System.Data.Common.DataAdapter>();
global::System.Collections.Generic.Dictionary <object, global::System.Data.IDbConnection> revertConnections = new global::System.Collections.Generic.Dictionary <object, global::System.Data.IDbConnection>();
int result = 0;
global::System.Data.DataSet backupDataSet = null;
if (this.BackupDataSetBeforeUpdate)
{
backupDataSet = new global::System.Data.DataSet();
backupDataSet.Merge(dataSet);
}
try {
// ---- Prepare for update -----------
//
//
//---- Perform updates -----------
//
if ((this.UpdateOrder == UpdateOrderOption.UpdateInsertDelete))
{
result = (result + this.UpdateUpdatedRows(dataSet, allChangedRows, allAddedRows));
result = (result + this.UpdateInsertedRows(dataSet, allAddedRows));
}
else
{
result = (result + this.UpdateInsertedRows(dataSet, allAddedRows));
result = (result + this.UpdateUpdatedRows(dataSet, allChangedRows, allAddedRows));
}
result = (result + this.UpdateDeletedRows(dataSet, allChangedRows));
//
//---- Commit updates -----------
//
workTransaction.Commit();
if ((0 < allAddedRows.Count))
{
global::System.Data.DataRow[] rows = new System.Data.DataRow[allAddedRows.Count];
allAddedRows.CopyTo(rows);
for (int i = 0; (i < rows.Length); i = (i + 1))
{
global::System.Data.DataRow row = rows[i];
row.AcceptChanges();
}
}
if ((0 < allChangedRows.Count))
{
global::System.Data.DataRow[] rows = new System.Data.DataRow[allChangedRows.Count];
allChangedRows.CopyTo(rows);
for (int i = 0; (i < rows.Length); i = (i + 1))
{
global::System.Data.DataRow row = rows[i];
row.AcceptChanges();
}
}
}
catch (global::System.Exception ex) {
workTransaction.Rollback();
// ---- Restore the dataset -----------
if (this.BackupDataSetBeforeUpdate)
{
global::System.Diagnostics.Debug.Assert((backupDataSet != null));
dataSet.Clear();
dataSet.Merge(backupDataSet);
}
else
{
if ((0 < allAddedRows.Count))
{
global::System.Data.DataRow[] rows = new System.Data.DataRow[allAddedRows.Count];
allAddedRows.CopyTo(rows);
for (int i = 0; (i < rows.Length); i = (i + 1))
{
global::System.Data.DataRow row = rows[i];
row.AcceptChanges();
row.SetAdded();
}
}
}
throw ex;
}
finally {
if (workConnOpened)
{
workConnection.Close();
}
if ((0 < adaptersWithAcceptChangesDuringUpdate.Count))
{
global::System.Data.Common.DataAdapter[] adapters = new System.Data.Common.DataAdapter[adaptersWithAcceptChangesDuringUpdate.Count];
adaptersWithAcceptChangesDuringUpdate.CopyTo(adapters);
for (int i = 0; (i < adapters.Length); i = (i + 1))
{
global::System.Data.Common.DataAdapter adapter = adapters[i];
adapter.AcceptChangesDuringUpdate = true;
}
}
}
return(result);
}
private int UpdateDeletedRows(School_SystemDataSet3 dataSet, global::System.Collections.Generic.List <global::System.Data.DataRow> allChangedRows)
{
int result = 0;
return(result);
}
public static global::System.Xml.Schema.XmlSchemaComplexType GetTypedTableSchema(global::System.Xml.Schema.XmlSchemaSet xs)
{
global::System.Xml.Schema.XmlSchemaComplexType type = new global::System.Xml.Schema.XmlSchemaComplexType();
global::System.Xml.Schema.XmlSchemaSequence sequence = new global::System.Xml.Schema.XmlSchemaSequence();
School_SystemDataSet3 ds = new School_SystemDataSet3();
global::System.Xml.Schema.XmlSchemaAny any1 = new global::System.Xml.Schema.XmlSchemaAny();
any1.Namespace = "http://www.w3.org/2001/XMLSchema";
any1.MinOccurs = new decimal(0);
any1.MaxOccurs = decimal.MaxValue;
any1.ProcessContents = global::System.Xml.Schema.XmlSchemaContentProcessing.Lax;
sequence.Items.Add(any1);
global::System.Xml.Schema.XmlSchemaAny any2 = new global::System.Xml.Schema.XmlSchemaAny();
any2.Namespace = "urn:schemas-microsoft-com:xml-diffgram-v1";
any2.MinOccurs = new decimal(1);
any2.ProcessContents = global::System.Xml.Schema.XmlSchemaContentProcessing.Lax;
sequence.Items.Add(any2);
global::System.Xml.Schema.XmlSchemaAttribute attribute1 = new global::System.Xml.Schema.XmlSchemaAttribute();
attribute1.Name = "namespace";
attribute1.FixedValue = ds.Namespace;
type.Attributes.Add(attribute1);
global::System.Xml.Schema.XmlSchemaAttribute attribute2 = new global::System.Xml.Schema.XmlSchemaAttribute();
attribute2.Name = "tableTypeName";
attribute2.FixedValue = "CoursesDataTable";
type.Attributes.Add(attribute2);
type.Particle = sequence;
global::System.Xml.Schema.XmlSchema dsSchema = ds.GetSchemaSerializable();
if (xs.Contains(dsSchema.TargetNamespace))
{
global::System.IO.MemoryStream s1 = new global::System.IO.MemoryStream();
global::System.IO.MemoryStream s2 = new global::System.IO.MemoryStream();
try {
global::System.Xml.Schema.XmlSchema schema = null;
dsSchema.Write(s1);
for (global::System.Collections.IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext();)
{
schema = ((global::System.Xml.Schema.XmlSchema)(schemas.Current));
s2.SetLength(0);
schema.Write(s2);
if ((s1.Length == s2.Length))
{
s1.Position = 0;
s2.Position = 0;
for (; ((s1.Position != s1.Length) &&
(s1.ReadByte() == s2.ReadByte()));)
{
;
}
if ((s1.Position == s1.Length))
{
return(type);
}
}
}
}
finally {
if ((s1 != null))
{
s1.Close();
}
if ((s2 != null))
{
s2.Close();
}
}
}
xs.Add(dsSchema);
return(type);
}
