How to dynamic order of groups & How to fetch data at runtime from database

Post Author: ferikpatel
CA Forum: Formula
I am using visual studio .net application having inbuilt crystal report feature. Now, what I want to do is, i have create 5 groups in crystal report, but dynamically want to change the order of those reports as per user's selection.
How to do that?
Also, how to fetch database item on runtime which is not selected through data expert as its relation is depends on situation. Say if one field's value is 5 than i want to get name of customer, but if same field's value is 6 than i want to get name of suppliers. In database both supplier and customers tables are different however they are connected with base table.
I'm bit new in crystal report. Please help me out if it is possible.

Post Author: Charliy
CA Forum: Formula
You don't actually change the order of the groups. You group on a formula and change contents of the formula based on the parameter.
IF {?Group1} = "Manager" then {table.Manager}
else if {?Group1} = "Invoice Date" then Totext({table.InvDate},"yyyyMMdd") note all options must be the same date type, so numbers and dates are converted
else . . .

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javax.faces.FacesException: Can't instantiate class: 'com.mypackage.MyBean'.. class com.mypackage.MyBean : java.lang.NullPointerException
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     com.sun.faces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:97)
     com.sun.faces.el.impl.NamedValue.evaluate(NamedValue.java:145)
     com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:166)
     com.sun.faces.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:263)
     com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:160)
     com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:143)
     com.sun.faces.application.ApplicationImpl.createComponent(ApplicationImpl.java:406)
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     javax.faces.webapp.UIComponentTag.findComponent(UIComponentTag.java:761)
     javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:451)
     com.sun.faces.taglib.html_basic.SelectOneMenuTag.doStartTag(SelectOneMenuTag.java:487)
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     org.apache.jsp.test_jsp._jspx_meth_h_005fpanelGroup_005f0(test_jsp.java:219)
     org.apache.jsp.test_jsp._jspx_meth_h_005fpanelGrid_005f0(test_jsp.java:189)
     org.apache.jsp.test_jsp._jspx_meth_h_005fform_005f0(test_jsp.java:160)
     org.apache.jsp.test_jsp._jspx_meth_f_005fview_005f0(test_jsp.java:127)
     org.apache.jsp.test_jsp._jspService(test_jsp.java:86)
     org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
     com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:346)
     com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:152)
     org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
     org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233)
     com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:107)
     com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
     com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:137)
     javax.faces.webapp.FacesServlet.service(FacesServlet.java:214)
     org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
     org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
root cause
java.lang.ClassNotFoundException: class com.mypackage.MyBean : java.lang.NullPointerException
     java.beans.Beans.instantiate(Unknown Source)
     java.beans.Beans.instantiate(Unknown Source)
     com.sun.faces.config.ManagedBeanFactory.newInstance(ManagedBeanFactory.java:223)
     com.sun.faces.application.ApplicationAssociate.createAndMaybeStoreManagedBeans(ApplicationAssociate.java:282)
     com.sun.faces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:97)
     com.sun.faces.el.impl.NamedValue.evaluate(NamedValue.java:145)
     com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:166)
     com.sun.faces.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:263)
     com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:160)
     com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:143)
     com.sun.faces.application.ApplicationImpl.createComponent(ApplicationImpl.java:406)
     javax.faces.webapp.UIComponentTag.createComponent(UIComponentTag.java:1019)
     javax.faces.webapp.UIComponentTag.createChild(UIComponentTag.java:1046)
     javax.faces.webapp.UIComponentTag.findComponent(UIComponentTag.java:761)
     javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:451)
     com.sun.faces.taglib.html_basic.SelectOneMenuTag.doStartTag(SelectOneMenuTag.java:487)
     org.apache.jsp.test_jsp._jspx_meth_h_005fselectOneMenu_005f0(test_jsp.java:259)
     org.apache.jsp.test_jsp._jspx_meth_h_005fpanelGroup_005f0(test_jsp.java:219)
     org.apache.jsp.test_jsp._jspx_meth_h_005fpanelGrid_005f0(test_jsp.java:189)
     org.apache.jsp.test_jsp._jspx_meth_h_005fform_005f0(test_jsp.java:160)
     org.apache.jsp.test_jsp._jspx_meth_f_005fview_005f0(test_jsp.java:127)
     org.apache.jsp.test_jsp._jspService(test_jsp.java:86)
     org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
     com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:346)
     com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:152)
     org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
     org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233)
     com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:107)
     com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
     com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:137)
     javax.faces.webapp.FacesServlet.service(FacesServlet.java:214)
     org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
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root cause
java.lang.NullPointerException
     javax.faces.model.SelectItem.setValue(SelectItem.java:254)
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     com.mypackage.MyBean.fillCountryItems(MyBean.java:80)
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     sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
     sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
     sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
     java.lang.reflect.Constructor.newInstance(Unknown Source)
     java.lang.Class.newInstance0(Unknown Source)
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Moderator message - Welcome to SCN.
But please ask a specific questio - thread locked.
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