Microsoft KB Archive/213752

= XL2000: Using the AddItem Method Causes an Error When RowSource Is Data Bound =

Article ID: 213752

Article Last Modified on 11/23/2006

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APPLIES TO


 * Microsoft Excel 2000 Standard Edition

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This article was previously published under Q213752





SYMPTOMS
When you use the AddItem method to add an item to the list of a ListBox or ComboBox control, you may receive the following error message:

Run-time error '70': Permission denied.



CAUSE
This problem occurs when both of the following conditions are true:

 You use the AddItem method to add an item to either a ListBox or ComboBox control.

-and-

 The ListBox or ComboBox control is data bound (the RowSource property is set to a range on a worksheet).



RESOLUTION
Microsoft provides programming examples for illustration only, without warranty either expressed or implied, including, but not limited to, the implied warranties of merchantability and/or fitness for a particular purpose. This article assumes that you are familiar with the programming language being demonstrated and the tools used to create and debug procedures. Microsoft support professionals can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific needs. If you have limited programming experience, you may want to contact a Microsoft Certified Partner or the Microsoft fee-based consulting line at (800) 936-5200. For more information about Microsoft Certified Partners, please visit the following Microsoft Web site:

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http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

To add an item to a ListBox or ComboBox control during runtime, you can either add an item from a worksheet range, or add an item from a variable. Which method you use depends on how you add the item to the list.

The following examples illustrate the two methods.

Step 1: (Method 1 and Method 2)
 Close and Save any open workbooks and create a new workbook. Define the range A1:A3 in Sheet1 as myrange .  Type the following data in Sheet1: <pre class="fixed_text">        A1: a         A2: b         A3: c         A4: d         A5: e                    </li> Start the Visual Basic Editor (press ALT+F11).</li> On the Insert menu, click UserForm.</li> Click the ListBox control in the Toolbox, and then add a ListBox to the UserForm.</li> If the Properties window is not visible, press F4.</li> Change the RowSource property of the ListBox control to Sheet1!myrange .</li> Add a CommandButton control to the UserForm.</li></ol>

Method 1: Adding an Item from a Worksheet Range
This example assumes you want to extend the range for the RowSource control during run time. The following example macro increases the "myrange" reference by one cell each time you click the CommandButton on the UserForm, and updates the ListBox. To use the macro, do the following:  Double-click the CommandButton on the UserForm to display the module associated with the UserForm.</li>  Type the following code for the Click event of CommandButton1: Private Sub CommandButton1_Click

Sheet1.Range("myrange").Resize _ (Sheet1.Range("myrange").Rows.Count + 1, 1).Name _ ="myrange"

ListBox1.RowSource = "Sheet1!myrange"

End Sub </li> Run the UserForm.

Initially, the ListBox displays only the items from A1:A3.</li> Click the CommandButton once.

The ListBox displays the items from A1:A4.</li> Click the Close button on the UserForm.</li></ol>

Method 2: Adding an Item from a Variable
  Type the following code for the Click event of CommandButton1: Private Sub CommandButton1_Click

Dim myarray Dim mystring as String

'The List property returns a variant array. myarray = ListBox1.List

'Clear the RowSource property during run time. 'The ListBox no longer is bound to the defined name. ListBox1.RowSource = ""

'Set the List property for the ListBox to the array. ListBox1.List = myarray

mystring = InputBox("Type a text string")

'You can use the AddItem method because the ListBox is not 'bound to the worksheet cells (referenced by the defined         'name). ListBox1.AddItem mystring

End Sub </li> Run the UserForm.</li> <li>Click the CommandButton in the UserForm.</li> <li>Type test text string in the InputBox and click OK.

The text "test text string" is added to the ListBox.</li> <li>Click the Close button on the UserForm.</li></ol>

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