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Passing Parameters to Crystal Reports at Runtime

, 20 Nov 2003
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Get and set the parameter value from the report

Introduction

This article describes how to get and set the parameter value from the report:

Crystal_net_parameters.jpg

Example

This example is composed of:

  1. A sample report 

  2. A form that loads the report automatically and shows the preview report

  3. A button that retrieves the parameter's actual value using the method:

    private string GetParamValue (string paramName)
    {
        string tmpValue="";
        for(int i=0;i<ReportDoc.DataDefinition.FormulaFields.Count; i++)
        {
            if(ReportDoc.DataDefinition.FormulaFields[i].FormulaName==
    						"{" + paramName + "}")
            tmpValue= ReportDoc.DataDefinition.FormulaFields[i].Text ;
        }
        return tmpValue;
    }
  4. Another button that changes the values of the report using the textbox text:

    private void SetParamValue (string paramName, string paramValue)
    {
        for(int i=0;i<ReportDoc.DataDefinition.FormulaFields.Count; i++)
        if(ReportDoc.DataDefinition.FormulaFields[i].FormulaName==
    					"{" + paramName + "}")
        ReportDoc.DataDefinition.FormulaFields[i].Text = "\"" +paramValue +"\"";
    }

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

gfajardo
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Colombia Colombia
German A. Fajardo G.
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Comments and Discussions

 
GeneralMy vote of 3 PinmemberJackson K T16-Aug-12 20:10 
GeneralMy vote of 5 Pinmemberpremkumar.r29-Jul-11 0:06 
GeneralMy vote of 2 Pinmemberinamgul26-Apr-11 20:48 
GeneralMy vote of 5 Pinmemberadnanrehmankhan19-Jul-10 0:02 
Generalchange the report's font at run time Pinmemberda_dhanaraj3-Nov-08 8:09 
GeneralExcellent! PinmemberBit-Smacker9-Sep-08 9:18 
Generalthanx Pinmembersajat29-Apr-08 2:05 
GeneralThanks Pinmemberzaider2-Apr-08 9:17 
GeneralThank PinmemberEscocia12-Jun-07 1:05 
GeneralWin Forms Grid Data and more PinsussAnonymous10-Apr-05 23:37 

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