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I've got a property on a custom business object bound to a textbox. In my binding, I've set the nullValue = String.Empty When I type in the textbox, then erase the text in my textbox and try to leave... it tries to set the string property in my business object to "Nothing" This is a problem...

Is it possible to have a multi tier datagrid display the values from multiple tables in a collapsible view (like a treeview) also, I don't want them to be collapsed ever, just organized like the example below (and each grandparent/parent/child record should be able to have multiple columns...

I have a DataSet with two tables in it. I have an ID on each of the tables that links them together. One table represents the page header and footer and the other table represents the detail. I want to only show the records in the detail where the ID on the detail table matches the ID on the...

I'm trying to report off of a DataSet I have created in code. There is no DataSet in the designer and I do not want to put a dataset in the designer. How do I reference my DataSet created in code in Crystal Reports and how do I lay out the fields on the report so they will be bound to my dataset...