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Crystal Reports General discussion about Crystal Reports. For discussions specific to the book Professional Crystal Reports for VS.NET, please see the book discussion forum for that book.
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Old January 11th, 2008, 02:16 PM
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Default Binding Variables to Crystal Reports

I am using VS 2005 and the report viewer that comes along with this software...

I am developing an application and have declared and assigned values to variables. I've created my report and added the viewer to my form. When I execute the application everything is working the viewer sees my report and I am able to print.

I was wondering how I can use the values stored in my variables, and have them display in my report textboxes?

If there are any suggestions I'd appreciate the help thanks.

LNickol
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Old January 22nd, 2008, 07:09 AM
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Hi,

Try the following procedure :

1. Create a formula field e.g., 'Field1' with with value "" i.e., empty quote.
2. Before loading the report, type the following line of code in the form code behind:

    reportName.DataDefinitions.FormulaFields["Field1"].Text=var;

3. Drag the formula field to the report and run the application.



I hope this will help u.


Thanks & Regards
Panna
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Old January 22nd, 2008, 01:17 PM
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Thanks I'll give it a try! Have a good Day


LNickol
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Old January 22nd, 2008, 03:17 PM
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Ok I've given that a shot so here I am...

Assume:
 - Form1 has textboxes
 - Form2 has accessed these textbox values and assigned them to variables.
 - The variables in Form2 are for test purposes assigned to label. When application is in running values for Form1 appear in the labels on Form2.
 - A report has been created and has a textbox field named txtFName
 - Report is named Employee_Profile.rpt
 - Form2 has a report viewer named CrystalReportViewer1

source code:

Public Class Form1
Inherits System.Windows.Forms.Form
Private SeeForm2 As New Form2(Me)

Private Sub cmdPrint_Click(ByVal sender...)Handles cmdPrint.Click
SeeForm2.Show()
End Sub

End Class

Public Class Form2
Inherits System.Windows.Forms.Form
Private callingForm as Form1

Public Sub New(ByVal newCallingForm as Form1)
MyBase.New()
InitializeComponent()
callingForm = newCallingForm
End Sub

Private Sub Form2_Load(ByVal sender As...)Handles MyBase.Load
Dim FName As String

FName = callingForm.txtFName.Text

'Testing purposes to see if values has been passed
'Me.lblFName.Text = FName

Employee_Profile1.DataDefinitions.FormulaFields{tx tFName as String} = FName

End Sub

End Class

Results from Build...

3 Errors

Error1 - Property access must assign to the property or use its value.
Error2 - Expression expected {
Error3 - Method arguements must be enclosed in paretheses.


I'm sure the solution is right in front of my face, I'm just having troubles seeing it right now! Any help on this source code or further explinations would be appreciated... Thanks so much to those that have taken the time to read this - and are able to offer solutions.








LNickol
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Old January 23rd, 2008, 04:27 AM
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Hi,

If i m correctly getting ur code, u r using the textbox name as the index of FormulaFields in the following line :

Employee_Profile1.DataDefinitions.FormulaFields{tx tFName as String} = FName

Instead, Please write this :

Employee_Profile1.DataDefinitions.FormulaFields["Field1"] = FName

where Field1 is the formula field with empty string in the report.


Thanks
Panna
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