bool _Transaction; // Indicates the data sets that use this data
#endregion Fields
#region Constructors
internal DataSourceDefn(ReportDefn r, ReportLink p, XmlNode xNode)
: base(r, p)
{
_Name=null;
_Transaction=false;
_ConnectionProperties=null;
_DataSourceReference=null;
// Run thru the attributes
foreach(XmlAttribute xAttr in xNode.Attributes)
{
switch (xAttr.Name)
{
case "Name":
_Name = new Name(xAttr.Value);
break;
}
}
// Loop thru all the child nodes
foreach(XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
continue;
switch (xNodeLoop.Name)
{
case "Transaction":
_Transaction = XmlUtil.Boolean(xNodeLoop.InnerText, OwnerReport.rl);
break;
case "ConnectionProperties":
_ConnectionProperties = new ConnectionProperties(r, this, xNodeLoop);
break;
case "DataSourceReference":
_DataSourceReference = xNodeLoop.InnerText;
break;
default:
// don't know this element - log it
OwnerReport.rl.LogError(4, "Unknown DataSource element '" + xNodeLoop.Name + "' ignored.");
break;
}
}
if (_Name == null)
OwnerReport.rl.LogError(8, "DataSource Name is required but not specified.");
else if (_ConnectionProperties == null && _DataSourceReference == null)
OwnerReport.rl.LogError(8, string.Format("Either ConnectionProperties or DataSourceReference must be specified for DataSource {0}.", this._Name.Nm));
else if (_ConnectionProperties != null && _DataSourceReference != null)
OwnerReport.rl.LogError(8, string.Format("Either ConnectionProperties or DataSourceReference must be specified for DataSource {0} but not both.", this._Name.Nm));
}
void ConnectDataSourceReference(Report rpt)
{
if (_ConnectionProperties != null)
return;
try
{
string file;
string folder = rpt == null? OwnerReport.ParseFolder: rpt.Folder;
if (folder == null)
{ // didn't specify folder; check to see if we have a fully formed name
if (!_DataSourceReference.EndsWith(".dsr", StringComparison.InvariantCultureIgnoreCase))
file = _DataSourceReference + ".dsr";
else
file = _DataSourceReference;
}
else if (_DataSourceReference[0] != Path.DirectorySeparatorChar)
file = folder + Path.DirectorySeparatorChar + _DataSourceReference + ".dsr";
else
file = folder + _DataSourceReference + ".dsr";
string pswd = OwnerReport.GetDataSourceReferencePassword == null?
null: OwnerReport.GetDataSourceReferencePassword();
if (pswd == null)
throw new Exception(Strings.DataSourceDefn_Error_NoPasswordForDSR);
string xml = RDL.DataSourceReference.Retrieve(file, pswd);
XmlDocument xDoc = new XmlDocument();
xDoc.LoadXml(xml);
XmlNode xNodeLoop = xDoc.FirstChild;
_ConnectionProperties = new ConnectionProperties(OwnerReport, this, xNodeLoop);
_ConnectionProperties.FinalPass();
}
catch (Exception e)
{
OwnerReport.rl.LogError(4, e.Message);
_ConnectionProperties = null;
}
return;
}
void ConnectDataSourceReference()
{
if (_ConnectionProperties != null)
return;
try
{
string file;
if (_DataSourceReference[0] != Path.DirectorySeparatorChar)
file = OwnerReport.Folder + Path.DirectorySeparatorChar + _DataSourceReference + ".dsr";
else
file = OwnerReport.Folder + _DataSourceReference + ".dsr";
string pswd = OwnerReport.GetDataSourceReferencePassword == null?
null: OwnerReport.GetDataSourceReferencePassword();
if (pswd == null)
throw new Exception("No password provided for shared DataSource reference");
string xml = RDL.DataSourceReference.Retrieve(file, pswd);
XmlDocument xDoc = new XmlDocument();
xDoc.LoadXml(xml);
XmlNode xNodeLoop = xDoc.FirstChild;
_ConnectionProperties = new ConnectionProperties(OwnerReport, this, xNodeLoop);
}
catch (Exception e)
{
OwnerReport.rl.LogError(4, e.Message);
_ConnectionProperties = null;
}
return;
}
