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# SetDataVariable Method

Sets the value of a predefined variable stored as a processing instruction attribute in the form's underlying XML document.

expression.SetDataVariable(ByVal lVariableNumber As Long, ByVal bstrVariableValue As String)

expression Required. An expression that returns a reference to an XDocument object.

lVariableNumber Required Long. The number of the variable.

bstrVariableValue Required String. The value of the variable.

## Security Level

2: Can be accessed only by forms running in the same domain as the currently open form, or by forms that have been granted cross-domain permissions.

## Remarks

If the variable being set is not a valid processing instruction attribute, the SetDataVariable method will return an error.

To get the value of a variable, use the GetDataVariable method of the XDocument object.

Note Microsoft Office InfoPath 2003 only supports using the initialView variable, which is the variable used to specify the initial view displayed when a form is opened. The number of this variable is always 1, and its value must be the name of a view within the form.

## Example

In the following example, the SetDataVariable method of the XDocument object is used to set the value of the first variable:

    XDocument.SetDataVariable(1, "View 2");

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