Overview on SPEx

SPEx - SharePoint Javascript library extended
SPEx is a Javascript library, which extends some of the existing out of box functionalities of SharePoint.
It’s in beta stage.
Its current version 0.1.0
It’s tested over SharePoint 2010.


Prerequisites
jQuery v1.4.2
SPServices-0.5.8 or greater
Pgrid

SPEx APIs
extendLookup
Syntax:
extendLookup({
WebURL: "",   // Optional, for future purpose
sourceList: "",  // Source list name
sourceColumn1: "", // Source Column from the source list which will be selected.
sourceColumn2: "", // Source Column from the source list to be used in search.  
CAMLQuery: "",   // Optional, for future purpose    
numChars: 3,   // Minimum number of chars to be entered for search
search: false,   // Turns on/off Search
targetColumn: ""  // Target column name in new or edit form 
});
markasReadOnly
Syntax:
markAsReadOnly("targetColumn"); // Target column name in new or edit form 

markasDisabled
Syntax:
markAsDisabled("targetColumn"); // Target column name in new or edit form 

Known Issues
Currently, extendLookup works on non-dialog based forms.
markasReadOnly and markasDisabled works on single line of text type of columns

Download
SPEx can be downloaded from http://spex.codeplex.com/

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