CFLib.org – convertDotNetDataset

convertDotNetDataset(dataset)

Last updated May 17, 2007

author

Anthony Petruzzi
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Version: 1 | Requires: ColdFusion MX7 | Library: DataManipulationLib

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Description:
Originally written by Joe Reinhart, so give him the credit. I just found this function useful and fixed a bug so it could be submitted. It will take a .Net Dataset and convert it to a CF structure of queries.

Return Values:
Returns a structure.

Example:

Parameters:

Name	Description	Required
dataset	Dot net dataset.	Yes

Full UDF Source:

	
	<!---
 Takes a .Net dataset and converts it to a CF structure of queries.
 
 @param dataset      Dot net dataset. (Required)
 @return Returns a structure. 
 @author Anthony Petruzzi (tonyp@rolist.com) 
 @version 1, May 17, 2007 
--->
<cffunction name="convertDotNetDataset" access="public" returnType="struct" output="false"
            hint="takes a .Net dataset and converts it to a CF structure of queries">
    <cfargument name="dataset" required="true">
    <cfset var Local = StructNew()>
    <cfset Local.result = structNew() />
    <cfset Local.aDataset = arguments.dataset.get_any() />
    <cfset Local.xSchema  = xmlParse(Local.aDataset[1]) />
    <cfset Local.xData  = xmlParse(Local.aDataset[2]) />

    <!--- Create Queries --->
    <cfset Local.xTables = Local.xSchema["xs:schema"]["xs:element"]["xs:complexType"]["xs:choice"] />
    <cfloop from="1" to="#arrayLen(Local.xTables.xmlChildren)#" index="Local.i">
        <cfset Local.tableName = Local.xTables.xmlChildren[Local.i].xmlAttributes.name />
        <cfset Local.xColumns = Local.xTables.xmlChildren[Local.i].xmlChildren[1].xmlChildren[1].xmlChildren/>
        <cfset Local.result[Local.tableName] = queryNew("") />
        <cfloop from="1" to="#arrayLen(Local.xColumns)#" index="Local.j">
            <cfset queryAddColumn(Local.result[Local.tableName], Local.xColumns[Local.j].xmlAttributes.name, arrayNew(1)) />
        </cfloop>
    </cfloop>

    <!--- see if there are any row of data, if not exit --->
    <cfif NOT StructKeyExists(Local.xData["diffgr:diffgram"], "NewDataSet")>
        <cfreturn Local.result>
    </cfif>

    <!--- Populate Queries --->
    <cfset Local.xRows = Local.xData["diffgr:diffgram"]["NewDataSet"] />
    <cfloop from="1" to="#arrayLen(Local.xRows.xmlChildren)#" index="Local.i">
        <cfset Local.thisRow = Local.xRows.xmlChildren[Local.i] />
        <cfset Local.tableName = Local.thisRow.xmlName />
        <cfset queryAddRow(Local.result[Local.tableName], 1) />
        <cfloop from="1" to="#arrayLen(Local.thisRow.xmlChildren)#" index="Local.j">
            <cfset querySetCell(Local.result[Local.tableName], Local.thisRow.xmlChildren[Local.j].xmlName, Local.thisRow.xmlChildren[Local.j].xmlText, Local.result[Local.tableName].recordCount) />
        </cfloop>
    </cfloop>

    <cfreturn Local.result>
</cffunction>