FusionCharts Free,  Plotting data from a database (more than two tables)

Posted on 2008-10-23
Last Modified: 2013-12-25
Hi I have been trying to show data in a bar graph.

The Data:

I have 8 Table with the same Cloumns:

The names of the tables are:
   (Act, COW, DSafety, Environment, HouseKeep, IntManage, RiskAssess, Security)

The Cloumns for the this 8 tables are as follows:
  AutoID (bigint, 8)
  QuestionNum (Int, 4)
  QuestionText (varchar)
  Answer (int, 4)
  TASAFormID (bigint, 8)
  dbPosition (int,4)

Please Note: the "dbPostion" is the number of which the table should be, for example;
    The Table "Act" has every single record has the value of 1 in the dbPostion Field
    "COW" has every single record has the value of 2 in the dbPostion Field
    "DSafety" has every single record has the value of 3 in the dbPostion Field
     and so on......

For each of those 8 tables I want them to each have there own bar (so there would be 8)

As you well see from the code snippet I want the table to only pull the records from each table only where the "TASAFormID " = A drop down list selected value

The data of which I want to show for the graph is the The percentage of the Postive answers
The Answers are declared in the "Answer" field and have the values of:
Positive = "1"
negitive = "0"

AS you can see from the code behide code that there is another table called "tdQuestionElements"
Where I am getting the bottom titles from the coloumn "Element"

The Thing is
It is showing 8 Bars with the rights Titles, however it is showing the SAME answer value (the first table "Act" value)  for each one

I even though I have it showing the Percentage sign for the the values it is doing a SUM.
I need it to;
If the table has got 10 questions and 7 have the answer value "1" I need it to show 70% instead of 7%

So i need to be able to calculate the percentage of the answers of each Table however each table has diffrent number of answers and I wont know how many there are untill it gets the value from the dropdown list

there are propley spelling mistakes as Iam in a rush lol



Imports System.Data.SqlClient

Imports DataConnection

Imports InfoSoftGlobal


Partial Class TASA_TASA

    Inherits System.Web.UI.Page

    Public jsVarString As String

    Public indexCount As String


    Public Sub GetjsVar()



        jsVarString = ""


        Dim oRs As DataConnection.DbConn, strQuery As String

        indexCount = 0


        strQuery = "select * from tdQuestionElements"

        oRs = New DataConnection.DbConn(strQuery)


        While oRs.ReadData.Read()

            indexCount = indexCount + 1


            jsVarString = jsVarString & vbTab & vbTab & "data[" & indexCount & "] = new Array();" & vbCrLf


            strQuery = "select * from COW" _

            & " union select * from Act" _

            & " union " _

            & "select * from DSafety" _

            & " union " _

            & "select * from HouseKeep" _

            & " union " _

            & "select * from IntManage" _

            & " union " _

            & "select * from RiskAssess" _

            & " union " _

            & "select * from Security  order by dbPosition" & vbCrLf

            Dim oRs2 As New DataConnection.DbConn(strQuery)

            While oRs2.ReadData.Read()

                jsVarString = jsVarString & vbTab & vbTab & "data[" & indexCount & "].push(new Array('" & oRs2.ReadData("Answer").ToString() & "));" & vbCrLf


            End While



        End While



    End Sub


    Public Function CreateChart() As String

        Dim strXML As String, strQuery As String


        indexCount = 0


        strXML = "<graph caption='percentage Compilance' subCaption='' decimalPrecision='0' showNames='1' numberSuffix='%25 ' pieSliceDepth='20' formatNumberScale='0' >"


        strQuery = "select * from tdQuestionElements"

        Dim oRs As New DataConnection.DbConn(strQuery)


        While oRs.ReadData.Read()

            indexCount = indexCount + 1

            strQuery = "select sum(Answer) as TotOutput from Act where TasaFormID = " & DropDownList1.SelectedValue _

            & " union " _

            & "select sum(Answer) as TotOutput from COW where TasaFormID = " & DropDownList1.SelectedValue _

            & " union " _

            & "select sum(QuestionNum) as TotOutput from DSafety where TasaFormID = " & DropDownList1.SelectedValue _

            & " union " _

            & "select sum(QuestionNum) as TotOutput from HouseKeep where TasaFormID = " & DropDownList1.SelectedValue _

            & " union " _

            & "select sum(QuestionNum) as TotOutput from IntManage where TasaFormID = " & DropDownList1.SelectedValue _

            & " union " _

            & "select sum(QuestionNum) as TotOutput from RiskAssess where TasaFormID = " & DropDownList1.SelectedValue _

            & " union " _

            & "select sum(QuestionNum) as TotOutput from Security where TasaFormID = " & DropDownList1.SelectedValue


            Dim oRs2 As New DataConnection.DbConn(strQuery)


            strXML = strXML & "<set name='" & oRs.ReadData("dbPosition").ToString() & "' value='" & oRs2.ReadData("TotOutput").ToString() & "' link='javascript:updateChart(" & indexCount & ")'/>"


            oRs2 = Nothing

        End While

        strXML = strXML & "</graph>"


        oRs = Nothing


        Return FusionCharts.RenderChart("../FusionCharts/FCF_Column3D.swf", "", strXML, "", "650", "300", False, True)


    End Function



End Class








Heres the ASPX Head section code for the chart


	<script language="Javascript" src="../FusionCharts/FusionCharts.js">

		//You need to include the above JS file, if you intend to embed the chart using Javascript.

		//Embedding using Javascripts avoids the "Click to Activate..." issue in Internet Explorer

		//When you make your own charts, make sure that the path to this JS file is correct. Else, you would get Javascript errors.



	<script language="Javascript" >

		//Here, we use a mix of server side script (ASP) and Javascript to

		//render our data for factory chart in Javascript variables. We'll later

		//utilize this data to dynamically plot charts.


		//All our data is stored in the data array. From ASP, we iterate through

		//each recordset of data and then store it as nested arrays in this data array.

		var data = new Array();


		//Write the data as Javascript variables here



		 //The data is now present as arrays in Javascript. Local Javascript functions

		 //can access it and make use of it. We'll see how to make use of it.



		 * updateChart method is invoked when the user clicks on a pie slice.

		 * In this method, we get the index of the factory, build the XML data

		 * for that that factory, using data stored in data array, and finally

		 * update the Column Chart.

		 *	@param	factoryIndex	Sequential Index of the factory.


		function updateChart(factoryIndex){

			//defining array of colors

			//We also initiate a counter variable to help us cyclically rotate through

			//the array of colors.

			var FC_ColorCounter=0;

			//var arr_FCColors= new Array(20);

			var arr_FCColors= new Array("1941A5" , "AFD8F8", "F6BD0F", "8BBA00", "A66EDD", "F984A1", "CCCC00", "999999", "0099CC", "FF0000", "006F00", "0099FF", "FF66CC", "669966", "7C7CB4", "FF9933", "9900FF", "99FFCC", "CCCCFF", "669900");



			//Storage for XML data document

			var strXML = "<graph caption='Factory " + factoryIndex  + " Output ' subcaption='(In Units)' xAxisName='Date' decimalPrecision='0' rotateNames='0' >";


			//Add <set> elements

			var i=0;

			for (i=0; i<data[factoryIndex].length; i++){

				strXML = strXML + "<set name='" + data[factoryIndex][i][0] + "' value='" + data[factoryIndex][i][1] + "' color='"+ arr_FCColors[++FC_ColorCounter % arr_FCColors.length] +"' />";



			//Closing graph Element

			strXML = strXML + "</graph>";


			//Update it's XML

















Heres the ASPX BODY section code for the chart




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Question by:dannytammyuk
1 Comment

Accepted Solution

dannytammyuk earned 0 total points
ID: 22795745
I have found another way around this

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