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Setting Task Field Values in Custom .aspx Edit Form and accessing through ExtendedProperties

Posted By:      Posted Date: October 20, 2010    Points: 0   Category :SharePoint

Since we're using WSS 3.0 and not MOSS 2007, we have to create and use ASP forms for any custom Workflow Task Edit pages instead of being able to use InfoPath forms (which would be nice...maybe some day we'll step up to MOSS). The custom Workflow Edit Pages are used for custom Task Content Types that we create so that our Workflow Tasks can have additional fields beyond the standard Workflow Task fields. Once you've collected the values for the Task fields from the user on the ASP Workflow Task Edit form, the typical procedure is to create a hashtable and fill the hashtable with key/value pairs that represent the names of your Task fields and their associated values, as such:

// This function is called when the user clicks the Save/Submit button
// on the Custom Task Edit ASP form
public void btnSubmit_Click(object sender, EventArgs e)
  // Create a hashtable that will be used to update the values of task fields
  Hashtable taskHash = new Hashtable();
  // For each field, create two values in the hashtable. If the field name 
  // matches a field in the Task content type, the field name will not be 
  // searchable as a key within the ExtendedProperties hashtable. So 
  // create a second field that is a duplicate of the first but having a 
  // name that doesn't exactly match an existing field in the Task 
  // content type. That way it will be a searchable ke

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