How To Process a Portion of a Form via Callback and Display a Results Message Using DevExpress Controls

The Situation: You have an ASP.NET page with multiple form sections, and you want to process only one section when an ASPxButton control is clicked. You also want to display a status message after processing. A Solution: This should be basic Ajax-type stuff, but as I am a self-taught programmer, I came to this late. … Continue reading How To Process a Portion of a Form via Callback and Display a Results Message Using DevExpress Controls

How To Make a Column in an ASPxGridView ReadOnly for Editing but Enabled when Inserting a New Record

The Situation: You have a DevExpress ASPxGridView on your page with a column designated as "ReadOnly=true". This works great when you are editing an existing record -- it won't allow you to change that field, but when you try to insert a NEW record, you can't enter anything in the field. Note: I don't know … Continue reading How To Make a Column in an ASPxGridView ReadOnly for Editing but Enabled when Inserting a New Record

How To Edit a Record in an ASPxGridView Bound to EntitySpaces’ esDataSource that Uses a Join

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