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POProgramming a PivotTable in Access VBA
 

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    <p>Let me start off by putting things in context first. I have three questions and was hoping to recieve some help on a problem I've encountered. I am developing an application where risk assessments are carried out on substances used in specific workplace/activity combinations. What I wanted to do was create a matrix report as follows:</p> <p>[Workplace Name] (as a column heading)</p> <p>[Activity Name] (as a row heading)</p> <p>[Risk Assessment Score] (as the data)</p> <p>All of these values can be retrieved via a query. I tried using a crosstab query but it seems they can only be used for summary data. I was woundering If my assumption is correct, since that is what I concluded after looking on the microsoft website. However, since I am no seasoned Acces programmer I could be wrong.</p> <p>Based on my assumption I figured a PivotTable was the way to go. I found an example on <a href="http://msdn.microsoft.com/en-us/library/aa662945(office.11).aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/aa662945(office.11).aspx</a> that I tried to replicate. The reason for programming one is so that a PivotTable can be generated based on the users criteria in a form. </p> <p>The code below is a slight variation on the sample code given in the aforementioned link.</p> <pre><code>Private Sub cmdPivotTable_Click() Dim strDefaultName As String Dim strRecordSource As String 'Create an empty form with a PivotTable 'default view and a record source strRecordSource = "SELECT *" _ &amp; " FROM ((OEL RIGHT JOIN Substance ON OEL.OEL_ID = Substance.OEL_ID) INNER JOIN" _ &amp; " ((Product INNER JOIN Proportions ON (Product.Product_Name = Proportions.Product_Name) AND (Product.Product_ID = Proportions.Product_ID) AND (Product.Product_Name = Proportions.Product_Name) AND (Product.Product_ID = Proportions.Product_ID)) INNER JOIN (STM_Workplace INNER JOIN (Respiratory_PPE INNER JOIN (STM_LocalControls INNER JOIN (STM_Diffuse INNER JOIN ((STM_Vent_NF_FF INNER JOIN Workplace ON (STM_Vent_NF_FF.STM_Vent_FF_ID = Workplace.STM_Vent_NF_ID) AND (STM_Vent_NF_FF.STM_Vent_FF_ID = Workplace.STM_Vent_NF_ID) AND (STM_Vent_NF_FF.STM_Vent_FF_ID = Workplace.STM_Vent_FF_ID)) INNER JOIN (STM_Activity_Score INNER JOIN (Activity INNER JOIN (PBMCode INNER JOIN Product_Activity ON PBMCode.ID_PBMCode = Product_Activity.ID_PBMCode) " _ &amp; " ON Activity.Activity_ID = Product_Activity.ID_Activity) ON STM_Activity_Score.STM_ActivityScore_ID = Activity.STM_ActivityScore_ID) ON (Workplace.Workplace_ID = Product_Activity.Workplace_ID) AND (Workplace.Workplace_ID = Product_Activity.Workplace_ID)) ON STM_Diffuse.STM_Diffuse_ID = Workplace.STM_Diffuse_ID) ON STM_LocalControls.STM_LocalControls_ID = Workplace.STM_LocalControls_ID) ON (Respiratory_PPE.STM_PPE_ID = PBMCode.STM_PPE_ID) AND (Respiratory_PPE.STM_PPE_ID = PBMCode.STM_PPE_ID)) ON STM_Workplace.STM_Workplace_ID = Workplace.STM_Workplace_ID) ON (Product.Product_Name = Product_Activity.Product_Name) AND (Product.Product_ID = Product_Activity.Product_ID) " _ &amp; " AND (Product.Product_Name = Product_Activity.Product_Name) AND (Product.Product_ID = Product_Activity.Product_ID)) ON (Substance.Substance_Name = Proportions.Substance_Name) AND (Substance.Substance_ID = Proportions.Substance_ID)) INNER JOIN Risk_Assessment ON (Substance.Substance_Name = Risk_Assessment.Substance_Name) AND (Substance.Substance_ID = Risk_Assessment.Substance_ID) " _ &amp; " WHERE Product_Activity.ID_Product_Task = Product_Activity_ID" strDefaultName = CreatePivotTable(strRecordSource) 'Rename the form from its default name Dim strFormName As String strFormName = "TestCreatePivotTableForm" If (AssignPivotTableName(strDefaultName, strFormName)) = False Then Exit Sub End If 'Configure the PivotTable ConfigurePivotTable (strFormName) End Sub Public Function AssignPivotTableName(strDefaultName As String, strFormName As String As Boolean Dim acc1 As AccessObject AssignPivotTableName = True For Each acc1 In CurrentProject.AllForms If acc1.Name = strFormName Then MsgBox "Choose a form name other " &amp; _ "than '" &amp; strFormName &amp; "' that " &amp; _ "does not match an existing form." AssignPivotTableName = False DoCmd.DeleteObject acForm, strDefaultName Exit Function End If Next acc1 DoCmd.Rename strFormName, acForm, strDefaultName End Function Public Function CreatePivotTable(strRecordSource As String) As String Const acFormPivotTable = 3 Dim frm1 As Access.Form Set frm1 = CreateForm frm1.DefaultView = acFormPivotTable frm1.RecordSource = strRecordSource CreatePivotTable = frm1.Name DoCmd.Close acForm, CreatePivotTable, acSaveYes End Function Public Sub ConfigurePivotTable(strFormName As String) Dim fst1 As PivotFieldSet DoCmd.OpenForm strFormName, acFormPivotTable Set frm1 = Forms.Item(strFormName) With frm1.PivotTable.ActiveView ***Set fst1 = .FieldSets("Product_Name")*** .FilterAxis.InsertFieldSet fst1 Set fst1 = .FieldSets("WorkPlace_Name") .ColumnAxis.InsertFieldSet fst1 Set fst1 = .FieldSets("Activity_Name") .RowAxis.InsertFieldSet fst1 Set fst1 = .FieldSets("Imission_Score") .DataAxis.InsertFieldSet fst1 End With DoCmd.Close acForm, frm1.Name, acSaveYes End Sub </code></pre> <p>The problem is as follows: I am getting an error 13 Type mismatch when setting the PivotFieldSet and am clueless as to what is going wrong. The form is created with the appropriate recordset and opens in PivotTableView and that's as far as it goes. I was hoping to retrieve some suggestions as to what the problem could be.</p> <p>Also, could there be another way to achieve my goal of making a matrix as described? Since an export to Excel would be needed to print out the PivotTable which is a detour I'd rather the end-user wouldn't have to take.</p> <p>Thanks in advance for any suggestions or replies to my post.</p>
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    1. COThanks a bunch! I tried that before but did not get the output as expected. Thanks to your answer I had another look and found the problem, which was in the query I was using. I forgot to add a where clause which led to a lot of duplicate risk ratios. So it turns out a crosstab query was indeed suitable for my problem. Forgive me my ignorance and again, thanks!
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