Questions tagged as 'dataset'

Tagged questions
1
answer

Transform a byte vector into DataSet

I'm reading an excel file (xls, xlsx, csv) and displaying its contents on a new page using DataSet. I can do it for xls and xlsx, but for csv it's not rolling. public static DataSet result; public static void prepareFile(HttpPostedFileBase fi...
asked by 24.07.2017 / 22:36
1
answer

Database Login when generating report in Crystal Reports VS2008 - VB.NET

Good morning \ afternoon \ night I already know that there are some topics related to the same issue that I am raising, but none of them participated exactly in the same conditions that led to the same event, what do you mean? Well, come on...
asked by 14.03.2016 / 18:52
1
answer

Report from DataSet created in a Class

How do I create a Visual Studio 2013 Report from a DataTable (or DataSet) created in a method? When fetching the Report.rdlc data source I reference the class where the DataTable is created, but it is not listed as DataSource. I tried to a...
asked by 10.09.2015 / 19:10
1
answer

Insert data from the DataSet into a database

I have the following code: using System; using System.Linq; using FirebirdSql.Data.FirebirdClient; using System.Configuration; using System.Data; namespace TblCliente { public class Program { static void Main(string[] args)...
asked by 12.09.2018 / 21:57
0
answers

Update field value Using TableAdaptar C #

Greetings! I'm working with DataSet to modify data in DB sql. I have a TableAdapter allocated to a form where some of the fields are linked to textboxs. It turns out some of the fields I do not want to show in the textbox but I want to upda...
asked by 28.08.2018 / 07:17
0
answers

System.InvalidOperationException

I have to convert a datatable to XML. My datatable has 68256 rows. When I serialize to XML, I get the OutOfMemoryException: Exception_WasThrown error. Here's the code I'm using to do the conversion: var ds = new DataSet(); dtDados.Tabl...
asked by 04.09.2017 / 15:01
1
answer

How to traverse a DataSet based on data contained in a DataGridView?

I need to fill in a datagridview that already contains the relation of all the items. This is based on material movement records that are in DataSet . datagridview already has all the items, like for example: A, B, C, D., et...
asked by 23.08.2016 / 01:15
0
answers

WebService Dataset FLUIG

I'm trying to implement a FLUIG (TOTVS) dataSet that requests an external ws to render a table in a wigdet, however when I perform or interact with Dataset object to get the data in the widget can not access. It's okay. var dataset = Datas...
asked by 18.12.2018 / 20:10
2
answers

Change String Values from a Dataset to 'Float'

Good afternoon everyone !!! I'm having a problem getting a job done in a college subject. I'm getting the one ready dataset from another article that was done. The Dataset looks something like this: 3,24.3,389693,21,23,tcp,1540,-------,4,11...
asked by 04.12.2018 / 21:26
0
answers

accessing SQLite database created by ROOM in Android Studio

I'm using the new android.arch components for persistence with the room , but I could not access the database created in    data \ data \ path \ databases It creates 3 files:    base    base-shm    base-wal    But none...
asked by 19.05.2018 / 05:49