Helper.LookupString Method (WorkflowContext, String, Int32, String)

Retrieves a string value from a field for a specified SharePoint Foundation list item when the list GUID or list name is known.

Namespace:  Microsoft.SharePoint.WorkflowActions
Assembly:  Microsoft.SharePoint.WorkflowActions (in Microsoft.SharePoint.WorkflowActions.dll)

Syntax

'Declaration
Public Shared Function LookupString ( _
    context As WorkflowContext, _
    listIdOrName As String, _
    listItem As Integer, _
    fieldName As String _
) As String
'Usage
Dim context As WorkflowContext
Dim listIdOrName As String
Dim listItem As Integer
Dim fieldName As String
Dim returnValue As String

returnValue = Helper.LookupString(context, _
    listIdOrName, listItem, fieldName)

public static string LookupString(
    WorkflowContext context,
    string listIdOrName,
    int listItem,
    string fieldName
)

Parameters

• context
  Type: Microsoft.SharePoint.WorkflowActions.WorkflowContext

  WorkflowContext object that contains properties that are associated with the active workflow instance.

• listIdOrName
  Type: System.String

  A string that represents either the GUID of the SharePoint Foundation list or the display name of the list.

• listItem
  Type: System.Int32

  An integer that represents the SharePoint Foundation list item in a specified list.

• fieldName
  Type: System.String

  A 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.

See Also

Reference

Helper Class

Helper Members

LookupString Overload

Microsoft.SharePoint.WorkflowActions Namespace