The Situation: You get an error when you try to save edits to a record in a DevExpress ASPxGridView. The grid view is bound to an EntitySpaces esDataSource, which is populated using EntitySpaces dynamic query functionality. The ES dynamic query syntax allows you to use joins between entities like this (actual code from one of … Continue reading How To Edit a Record in an ASPxGridView Bound to EntitySpaces’ esDataSource that Uses a Join
Author: Jim McMullen
How to get the value from a GridView column on RowDeleting
The Situation: You need to get the value of one of the columns in the row you are deleting in a GridView to do some processing before the row is deleted. A Solution: When using the RowDeleting method, you cannot use e.Row.Cells[1].Controls[1] to get the control in that cell like you can in the RowCreated … Continue reading How to get the value from a GridView column on RowDeleting
How to Get the Name of the Current Folder from the URL
The Situation: You need to get the name of the current page request folder from the URL. A Solution: Use this method:
How to Find the Index of a String in a List
The Situation You are trying to find out if a string exists in a List object. A Solution You could use a Find with a predicate, or try the simple method below.
How to Troubleshoot Problems Upgrading an Existing App from EntitySpaces 2009
I am a big fan of EntitySpaces, a .NET ORM framework that I find very easy to use. When the developers upgraded the framework in 2010, they "broke" some things I used in my code. Specifically, they changed the way instantiate a new ORM entity. Entities used to have a method that looked like this... … Continue reading How to Troubleshoot Problems Upgrading an Existing App from EntitySpaces 2009
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