public static void EnsureVersion40(this SqlCeEngine engine, string filename)
{
SQLCEVersion fileversion = DetermineVersion(filename);
if (fileversion == SQLCEVersion.SQLCE20)
{
throw new ApplicationException("Unable to upgrade from 2.0 to 4.0");
}
if (SQLCEVersion.SQLCE40 > fileversion)
{
// Original-Datei sichern
string filenameBackup = GetBackupFilename(filename);
File.Copy(filename, filenameBackup);
engine.Upgrade();//string.Format("Data Source=\"{0}\"", filename+".new"));
}
}
protected override void OnSetConnectionString(XDbConnectionStringBuilder builder)
{
base.OnSetConnectionString(builder);
SqlCeVer = SQLCEVersion.SQLCE40;
if (!String.IsNullOrEmpty(FileName) && File.Exists(FileName))
{
try
{
SqlCeVer = SqlCeHelper.DetermineVersion(FileName);
}
catch (Exception ex)
{
XTrace.WriteException(ex);
SqlCeVer = SQLCEVersion.SQLCE40;
}
}
}
protected override void OnSetConnectionString(XDbConnectionStringBuilder builder)
{
base.OnSetConnectionString(builder);
SqlCeVer = SQLCEVersion.SQLCE40;
if (!String.IsNullOrEmpty(FileName) && File.Exists(FileName))
{
try
{
SqlCeVer = SqlCeHelper.DetermineVersion(FileName);
}
catch (Exception ex)
{
XTrace.WriteException(ex);
SqlCeVer = SQLCEVersion.SQLCE40;
}
}
}
protected override void OnSetConnectionString(ConnectionStringBuilder builder)
{
base.OnSetConnectionString(builder);
SqlCeVer = SQLCEVersion.SQLCE40;
var fn = DatabaseName;
if (!fn.IsNullOrEmpty() && File.Exists(fn))
{
try
{
SqlCeVer = SqlCeHelper.DetermineVersion(fn);
}
catch (Exception ex)
{
XTrace.WriteException(ex);
SqlCeVer = SQLCEVersion.SQLCE40;
}
}
}
