Like I said in your other topic please don't post things as attachments that can be included on your question's text. Include the details of what you are asking in...

What attempts have you made so far? Please do share your attempts. Could you post your data as something other than an excel spreadsheet please? DDL and DML statements for...

The problem is you're declaring your variable as the wrong data type. A datetime should be stored as a datetime(2), not a varchar. When using CONVERT and supplying varchar as...

If your in SSIS...

Also, be careful with syntax like CONVERT(varchar, @start_date). I doubt it'll be a problem with this specific scenario, but you should really be declaring your lengths for your...

Alternatively, you can just put the values in the high level of the group, like I have in this report:

So, you're saying that you have a varbinary value without 0x at the start? I didn't even think that was possible. As an example the following code doesn't work: