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Problem

I need a function that takes a date input (using the eWorld Calandar control) on a web form and calculates the number of days from today to that slected date and puts it into a field that I can then use as an OUT parameter. I need this for a lead time...

Solution

To use a calculated amount of time as an actions Lead Time, you will need to add the following code before the form is submitted to WorkflowGen (i.e.: within the submit button's "click" event):

C#

DateTime FromTime = DateTime.Today;
DateTime ToTime = MY_DATE_PICKER.SelectedDate;
TimeSpan DateDiff = ToTime - FromTime;
int TheLeadTime =  DateDiff.Minutes;
this.MY_OUT_TEXTBOX_FOR_LEADTIMES.Text = TheLeadTime;

VB.NET

Dim FromTime As DateTime = DateTime.Today
Dim ToTime As DateTime = MY_DATE_PICKER.SelectedDate
Dim DateDiff As TimeSpan = (ToTime - FromTime)
Dim TheLeadTime As Integer = DateDiff.Minutes
Me.MY_OUT_TEXTBOX_FOR_LEADTIMES.Text = TheLeadTime

You may want to add some validation such as checking if ToTime is always > FromTime

Yes. You can use any development environment you are comfortable with as long as it supports ASP.NET and the Microsoft .NET 2.0 (or greater) Framework (for example, Visual Studio Web Developer).

Yes, it is possible to change the colors used by WorkflowGen for the fields that are Required or Read-Only in your web forms.  The WorkflowGen.My.dll contains a property for both that you can assign the colors you wish.  you must include the proper

Add the following to your code in the Page_Load method:

C#

using System.Drawing;

public partial class _Default : WorkflowPage
{
    protected void Page_Load(object sender, EventArgs e)
{
        //  set the read-only border color to Light Grey and required border color to Orange
        this.ReadOnlyFieldsBorderColor = Color.FromArgb(210, 210, 210);
        this.RequiredFieldsBorderColor = Color.Orange;
    }
}

VB.NET

Imports System.Drawing

Public Class _Default
    Inherits WorkflowPage
   
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        '  set the read-only border color to Light Grey and required border color to Orange
        Me.ReadOnlyFieldsBorderColor = Color.FromArgb(210, 210, 210)
        Me.RequiredFieldsBorderColor = Color.Orange
    End Sub
End Class

 

Yes, WorkflowGen, more specifically the WorkflowGen.My assembly supports development of web forms using the Microsoft .Net 3.5 Framework. This requires however that the same version of the framework be installed on the web server where WorkflowGen is located.

Web forms are session based and these sessions are automatically recycled by IIS every 20 minutes by default.  To eliminate losing your data, you should add the following code to your web forms code-behind's page consctructor method.

C#

Example

public partial class _Default : WorkflowPage
{
  public _Default() : base()
  {
    IsSimpleMode = true;
    IsSessionLess = true;
  }
}

VB.NET

Example

Public Class _Default
    Inherits WorkflowPage
   
    Public Sub New()
        MyBase.New
        IsSimpleMode = true
        IsSessionLess = true
    End Sub
End Class