internal bool ConnectDataSource(Report rpt)
{
IDbConnection cn = GetConnection(rpt);
if (cn != null)
{
return(true);
}
if (_DataSourceReference != null)
{
ConnectDataSourceReference(rpt); // this will create a _ConnectionProperties
}
if (_ConnectionProperties == null ||
_ConnectionProperties.ConnectstringValue == null)
{
return(false);
}
bool rc = false;
try
{
cn = EngineConfig.GetConnection(_ConnectionProperties.DataProvider,
_ConnectionProperties.Connectstring(rpt));
if (cn != null)
{
cn.Open();
rc = true;
}
}
catch (Exception e)
{
string err = string.Format("DataSource '{0}'.\r\n{1}", _Name,
e.InnerException == null? e.Message: e.InnerException.Message);
if (rpt == null)
{
OwnerReport.rl.LogError(4, err); // error occurred during parse phase
}
else
{
rpt.rl.LogError(4, err);
}
if (cn != null)
{
cn.Close();
cn = null;
}
}
if (cn != null)
{
SetSysConnection(rpt, cn);
}
else
{
string err = string.Format("Unable to connect to datasource '{0}'.", this._Name.Nm);
if (rpt == null)
{
OwnerReport.rl.LogError(4, err); // error occurred during parse phase
}
else
{
rpt.rl.LogError(4, err);
}
}
return(rc);
}
