/// <summary>
/// constructor for serialization
/// </summary>
/// <param name="info">required for serialization</param>
/// <param name="context">required for serialization</param>
public TTypedDataSet(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
{
//TTypedRelation Relation;
DataSet ds;
DataTable table;
Int32 i;
String strSchema;
String diffGram;
// Console.Writeline('DataSet Serialization constructor');
try
{
//no call to base() needed here, default contructor of base class will be run anyway.
FConstraints = new ArrayList();
FRelations = new ArrayList();
strSchema = (string)info.GetValue("XmlSchema", typeof(string));
diffGram = (string)info.GetValue("XmlDiffGram", typeof(string));
if (strSchema != null)
{
// TLogging.Log('xmlSchema exists', [ToLogfile]);
// TLogging.Log(strSchema, TLoggingType.ToLogfile);
/*
* SerializationInfoEnumerator it = info.GetEnumerator();
* while (it.MoveNext())
* {
* TLogging.Log(it.Name +": " + it.Value.ToString());
* }
*/
// it seems if the primary key constraint gets removed, then we are in trouble for deleted rows
strSchema = TypedDataSet.RemoveConstraintsFromSchema(strSchema);
// TLogging.Log("after: " + strSchema, TLoggingType.ToLogfile);
ds = new DataSet();
ds.ReadXmlSchema(new XmlTextReader(new System.IO.StringReader(strSchema)));
// TLogging.Log('before inittables(ds)', [ToLogfile]);
InitTables(ds);
// TLogging.Log('after inittables(ds)', [ToLogfile]);
this.DataSetName = ds.DataSetName;
this.Prefix = ds.Prefix;
this.Namespace = ds.Namespace;
this.Locale = ds.Locale;
this.CaseSensitive = ds.CaseSensitive;
this.EnforceConstraints = ds.EnforceConstraints;
ds.Relations.Clear();
// TLogging.Log('xmlschema import: ' + ds.GetXMLSchema(), [ToLogfile]);
// TLogging.Log('xmlschema local: ' + this.GetXMLSchema(), [ToLogfile]);
// TLogging.Log('before merge', [ToLogfile]);
foreach (DataTable RemoveExpressionsTable in ds.Tables)
{
foreach (DataColumn RemoveExpressionsColumn in RemoveExpressionsTable.Columns)
{
if (RemoveExpressionsColumn.Expression.Length != 0)
{
// TLogging.Log(RemoveExpressionsColumn.Expression, [ToLogFile]);
RemoveExpressionsColumn.Expression = "";
}
}
}
// Console.WriteLine('number of constraints: ' + tables['Partner'].Constraints.Count.ToString());
// Console.WriteLine('number of columns: ' + tables['Partner'].Columns.Count.ToString());
base.Merge(ds, false, System.Data.MissingSchemaAction.Add); // MissingSchemaAction.Ignore
// TLogging.Log('before InitVars', [ToLogfile]);
// Console.WriteLine('number of constraints: ' + tables['Partner'].Constraints.Count.ToString());
// Console.WriteLine('number of columns: ' + tables['Partner'].Columns.Count.ToString());
this.InitVars();
// Console.WriteLine('before serializationdata');
// it seems if the primary key constraint gets removed, then we are in trouble for deleted rows; this comment was related to bug 111
// but now it seems in c# and with .net 2.0, we get the original error again, and it works fine without the constraints; see bug 825
MyOwnGetSerializationData(strSchema, diffGram);
// GetSerializationData(info, context);
// Console.WriteLine('before initConstraints');
this.MapTables();
this.InitConstraints();
}
else
{
// Console.Writeline('xmlSchema does not exists');
InitClass();
ds = new TOtherDataSet(info, context);
GetSerializationData(info, context);
this.InitVars();
this.InitConstraints();
EnforceConstraints = ds.EnforceConstraints;
}
// start default behaviour
// check if relation is enabled
if (ds.Relations.Count != 0)
{
// ms.net client and mono server: relations.count is 0
foreach (TTypedRelation Relation in FRelations)
{
Relation.FEnabled = (ds.Relations.IndexOf(Relation.FName) != -1);
}
}
else if (FRelations.Count != 0)
{
foreach (TTypedRelation Relation in FRelations)
{
Relation.FEnabled = true;
}
}
i = 0;
while (i < Tables.Count)
{
table = (DataTable)Tables[i];
if (ds.Tables.IndexOf(table.TableName) == -1)
{
RemoveTable(table.TableName);
}
else
{
i = i + 1;
}
}
EnableConstraints();
EnableRelations();
}
catch (Exception e)
{
TLogging.Log("PROBLEM: " + e.Message, TLoggingType.ToLogfile);
TLogging.Log("PROBLEM: " + e.StackTrace, TLoggingType.ToLogfile);
throw;
}
}
/// <summary>
/// constructor for serialization
/// </summary>
/// <param name="info">required for serialization</param>
/// <param name="context">required for serialization</param>
public TTypedDataSet(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
{
//TTypedRelation Relation;
DataSet ds;
DataTable table;
Int32 i;
String strSchema;
String diffGram;
// Console.Writeline('DataSet Serialization constructor');
try
{
//no call to base() needed here, default contructor of base class will be run anyway.
FConstraints = new ArrayList();
FRelations = new ArrayList();
strSchema = (string)info.GetValue("XmlSchema", typeof(string));
diffGram = (string)info.GetValue("XmlDiffGram", typeof(string));
if (strSchema != null)
{
// TLogging.Log('xmlSchema exists', [ToLogfile]);
// TLogging.Log(strSchema, TLoggingType.ToLogfile);
/*
* SerializationInfoEnumerator it = info.GetEnumerator();
* while (it.MoveNext())
* {
* TLogging.Log(it.Name +": " + it.Value.ToString());
* }
*/
// it seems if the primary key constraint gets removed, then we are in trouble for deleted rows
strSchema = TypedDataSet.RemoveConstraintsFromSchema(strSchema);
// TLogging.Log("after: " + strSchema, TLoggingType.ToLogfile);
ds = new DataSet();
ds.ReadXmlSchema(new XmlTextReader(new System.IO.StringReader(strSchema)));
// TLogging.Log('before inittables(ds)', [ToLogfile]);
InitTables(ds);
// TLogging.Log('after inittables(ds)', [ToLogfile]);
this.DataSetName = ds.DataSetName;
this.Prefix = ds.Prefix;
this.Namespace = ds.Namespace;
this.Locale = ds.Locale;
this.CaseSensitive = ds.CaseSensitive;
this.EnforceConstraints = ds.EnforceConstraints;
ds.Relations.Clear();
// TLogging.Log('xmlschema import: ' + ds.GetXMLSchema(), [ToLogfile]);
// TLogging.Log('xmlschema local: ' + this.GetXMLSchema(), [ToLogfile]);
// TLogging.Log('before merge', [ToLogfile]);
foreach (DataTable RemoveExpressionsTable in ds.Tables)
{
foreach (DataColumn RemoveExpressionsColumn in RemoveExpressionsTable.Columns)
{
if (RemoveExpressionsColumn.Expression.Length != 0)
{
// TLogging.Log(RemoveExpressionsColumn.Expression, [ToLogFile]);
RemoveExpressionsColumn.Expression = "";
}
}
}
// Console.WriteLine('number of constraints: ' + tables['Partner'].Constraints.Count.ToString());
// Console.WriteLine('number of columns: ' + tables['Partner'].Columns.Count.ToString());
base.Merge(ds, false, System.Data.MissingSchemaAction.Add); // MissingSchemaAction.Ignore
// TLogging.Log('before InitVars', [ToLogfile]);
// Console.WriteLine('number of constraints: ' + tables['Partner'].Constraints.Count.ToString());
// Console.WriteLine('number of columns: ' + tables['Partner'].Columns.Count.ToString());
this.InitVars();
// Console.WriteLine('before serializationdata');
// it seems if the primary key constraint gets removed, then we are in trouble for deleted rows; this comment was related to bug 111
// but now it seems in c# and with .net 2.0, we get the original error again, and it works fine without the constraints; see bug 825
MyOwnGetSerializationData(strSchema, diffGram);
// GetSerializationData(info, context);
// Console.WriteLine('before initConstraints');
this.MapTables();
this.InitConstraints();
}
else
{
// Console.Writeline('xmlSchema does not exists');
InitClass();
ds = new TOtherDataSet(info, context);
GetSerializationData(info, context);
this.InitVars();
this.InitConstraints();
EnforceConstraints = ds.EnforceConstraints;
}
// start default behaviour
// check if relation is enabled
if (ds.Relations.Count != 0)
{
// ms.net client and mono server: relations.count is 0
foreach (TTypedRelation Relation in FRelations)
{
Relation.FEnabled = (ds.Relations.IndexOf(Relation.FName) != -1);
}
}
else if (FRelations.Count != 0)
{
foreach (TTypedRelation Relation in FRelations)
{
Relation.FEnabled = true;
}
}
i = 0;
while (i < Tables.Count)
{
table = (DataTable)Tables[i];
if (ds.Tables.IndexOf(table.TableName) == -1)
{
RemoveTable(table.TableName);
}
else
{
i = i + 1;
}
}
EnableConstraints();
EnableRelations();
}
catch (Exception e)
{
TLogging.Log("PROBLEM: " + e.Message, TLoggingType.ToLogfile);
TLogging.Log("PROBLEM: " + e.StackTrace, TLoggingType.ToLogfile);
throw;
}
}
