datasource

This question already has answers here : How to fill report using JSON datasource without getting null values? (3 answers) Closed 3 years ago . I'm beginner with JasperReports ( first try ) so, I set up my netbeans, and my first try using data from database was successful. But now I just want to create my report from json data using Jasper Reports in Netbeans And I think it's not like getting data from Database. By the way I tried to edit my xml file and add this : <textField> <reportElement x="0" y="31" width="555" height="20" uuid="9678a129-61e8-4034-ab8e-739ee5723c87"/> <textElement

I have the following in VB: Dim sources = From source In importSources Select New With _ {.Type = source.Key, .Source = source.Value.Name} dgridSourceFiles.DataSource = sources When I debug, sources shows an in-memory query and has 2 records within. Yet the datagrid view will not show the records. So why won't this work? suggestions can be either VB or C#... Update When I use: Dim sources = (From source In importSources Select New With _ {.Type = source.Key, .Source = source.Value.Name}).ToList() ...the datasource is displayed. Your LINQ query is lazily evaluated and implements the IEnumerable

I work with Spring 3.1 + Hibernate 4. I've created the following sessionFactory : <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> <property name="dataSource" ref="myDataSource" /> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">validate</prop> </props> </property> <property name="packagesToScan" value="com.my.company"/> </bean> As you see, the above sessionFactory is for Hibernate 4. I am trying to

I have created a winform for the users to view view the many reports I am creating for them. I have a drop down list with the report name which triggers the appropriate fields to display the parameters. Once those are filled, they press Submit and the report appears. This works the first time they hit the screen. They can change the parameters and the ReportViewer works fine. Change to a different report, and the I get the following ReportViewer error: An error occurred during local report processing. An error has occurred during the report processing. A data source instance has not been

I develop a spring boot RestController for my angular Project and encountered a problem. In my logic for the rest-service I used two different databases to get data from. Here you can see the datasource configuration: [application.properties] #datasource1 spring.datasource.url=[url] spring.datasource.username=[username] spring.datasource.password=[password] spring.datasource.driverClassName=org.h2.Driver #datasource2 spring.secondDatasource.url=[url] spring.secondDatasource.username=[username] spring.secondDatasource.password=[password] spring.secondDatasource.driverClassName=oracle.jdbc

i want to fill the data of the charts from values i have in 2D array, one column will present the X-axis and the second is present the Y-axis.. i did it, but its not reading from the array, it gives me the default line when i run the application, i found a solution using List<>, i had an error, so if any one could help me in this, i will be thankful :D this is the code using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace ICS381Project { public partial