Helper.LookupString Method (WorkflowContext, Guid, Int32, String)
Retrieves a string value from a field for a specified SharePoint Foundation list item when the list GUID is known.
Namespace: Microsoft.SharePoint.WorkflowActions
Assembly: Microsoft.SharePoint.WorkflowActions (in Microsoft.SharePoint.WorkflowActions.dll)
Syntax
'Declaration
Public Shared Function LookupString ( _
context As WorkflowContext, _
listId As Guid, _
listItem As Integer, _
fieldName As String _
) As String
'Usage
Dim context As WorkflowContext
Dim listId As Guid
Dim listItem As Integer
Dim fieldName As String
Dim returnValue As String
returnValue = Helper.LookupString(context, _
listId, listItem, fieldName)
public static string LookupString(
WorkflowContext context,
Guid listId,
int listItem,
string fieldName
)
Parameters
context
Type: Microsoft.SharePoint.WorkflowActions.WorkflowContextWorkflowContext object that contains properties that are associated with the active workflow instance.
listId
Type: System.GuidThe GUID of the SharePoint Foundation list.
listItem
Type: System.Int32An integer that represents the SharePoint Foundation list item in a specified list.
fieldName
Type: System.StringA string that represents the name of the field in the list from which you want to retrieve a string value.
Return Value
Type: System.String
A string value from the specified field.
Remarks
The LookupString method reads the value of the specified field and stores it as an object. Then it modifies or casts the value of the object, depending on the SPFieldType of that field.