public static bool HasRealData(object dataSource)
{
StringCollection dataSourceDataMembers = DataBindingHelper.GetDataSourceDataMembers(dataSource);
if (dataSourceDataMembers.Count == 0)
{
bool flag = false;
IDbConnection dbConnection = null;
IEnumerable dataSourceAsIEnumerable = DataBindingHelper.GetDataSourceAsIEnumerable(dataSource, (string)null, out flag, out dbConnection);
try
{
IEnumerator enumerator = dataSourceAsIEnumerable.GetEnumerator();
try
{
if (enumerator.MoveNext())
{
object current2 = enumerator.Current;
return(true);
}
}
finally
{
IDisposable disposable2 = enumerator as IDisposable;
if (disposable2 != null)
{
disposable2.Dispose();
}
}
}
finally
{
if (flag)
{
((IDataReader)dataSourceAsIEnumerable).Close();
}
if (dbConnection != null)
{
dbConnection.Close();
}
}
}
else
{
StringEnumerator enumerator2 = dataSourceDataMembers.GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
string current = enumerator2.Current;
bool flag2 = false;
IDbConnection dbConnection2 = null;
IEnumerable dataSourceAsIEnumerable2 = DataBindingHelper.GetDataSourceAsIEnumerable(dataSource, current, out flag2, out dbConnection2);
try
{
IEnumerator enumerator3 = dataSourceAsIEnumerable2.GetEnumerator();
try
{
if (enumerator3.MoveNext())
{
object current3 = enumerator3.Current;
return(true);
}
}
finally
{
IDisposable disposable3 = enumerator3 as IDisposable;
if (disposable3 != null)
{
disposable3.Dispose();
}
}
}
finally
{
if (flag2)
{
((IDataReader)dataSourceAsIEnumerable2).Close();
}
if (dbConnection2 != null)
{
dbConnection2.Close();
}
}
}
}
finally
{
IDisposable disposable = enumerator2 as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
return(false);
}
