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Pass Form Variable to Report Parameter

Posted on 2013-06-05
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Last Modified: 2013-06-11
Hello experts.  

I have a crystal report built into a VB Form (Form1.cs), and I have a string defined that I need to feed to a parameter inside my CrystalReport1.cs.

In my Form1.cs, here's the code for the variable:
/********************************
        public Form1()
        {
            InitializeComponent();
            System.Security.Principal.WindowsIdentity user =
                        System.Security.Principal.WindowsIdentity.GetCurrent();

            MessageBox.Show(user.Name);
            try
            {
                ITerminalServicesManager manager = new TerminalServicesManager();
                using (ITerminalServer server = manager.GetLocalServer())
                {
                    server.Open();
                    foreach (ITerminalServicesSession session in server.GetSessions())
                    {
                        if (session.UserAccount != null && (user.Name.Split('\\')[1].ToLower() == session.UserName.ToLower()))
                        {
                            string station_id = Environment.MachineName + ":" + session.SessionId;
                        }
                    }
                }
            }
            catch (Exception exp)
            {
                MessageBox.Show(exp.Message);

********************************/


In my CrystalReport1.cs, the parameter section:

/*******************
     [Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.Shared.IParameterField Parameter_stationvariable {
            get {
                return this.DataDefinition.ParameterFields[1];
            }
        }
*******************/

I need to pass the station_id form variable to the Parameter_stationvariable.

Something like:

/**********
[Browsable(false)]
        [DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Hidden)]
        public CrystalDecisions.Shared.IParameterField Parameter_stationvariable {
            get {
                Private Sub ApplyTextObject(ByVal vstrTextObject As String, _
                ByVal vstrTextValue As String)
                    Try
                        CType(mrptDoc.ReportDefinition.ReportObjects(vstrTextObject), _
                        CrystalDecisions.CrystalReports.Engine.TextObject).station_id = _
                        vstrTextValue
                    Catch ex As Exception
        MessageBox.Show("ApplyTextObject" & Environment.NewLine & _
"There is no >>" & vstrTextObject & _
"<< object in this report!")
    End Try
End Sub
            }
        }
**********/

Open in new window


Thoughts?  I really just need help tweaking the above code - samples would really help me as I am a novice at VB Script.

Thanks!
0
Comment
Question by:robthomas09
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5 Comments
 
LVL 70

Assisted Solution

by:Éric Moreau
Éric Moreau earned 2000 total points
ID: 39225211
is this really vbscript? or is it C# and VB.Net?

check "Passing a value to a parameter of the report" from http://emoreau.com/Entries/Articles/2006/09/Feeding-Crystal-Reports-from-your-application.aspx
0
 

Author Comment

by:robthomas09
ID: 39228814
Thanks for the replies - as you can tell by the improper zone posting, I am unfamiliar with the code.  It's all been wizard generated by Visual Studio 2012 ultimate.   A colleague built me the piece to include the string station_id, and now I need to pass it to the crystal report parameter.   I have visited the above link, but am so unfamiliar with the code that I wasnt able to attempt anything more than what I did above:

                        CrystalDecisions.CrystalReports.Engine.TextObject).vstrTextValue = station_id

Open in new window


Any help with the syntax would save my life.

Thanks
0
 
LVL 70

Accepted Solution

by:
Éric Moreau earned 2000 total points
ID: 39228838
I can't really do more then telling you to read again the article and to play with the demo code until you get your stuff working!
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