Questions tagged as 'vb.net'

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How to get the subtotal of the group footer

I'm working on Visual Studio 2013 and DevExpress With this code I get the total of the two group footers, my question is how to get the total of one of the foot of the group My.Forms.frmDev.TxtMonto.EditValue = (V_Quincena.Columns("Total")....
asked by 26.10.2016 / 15:45
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you can add a horizontal scrollbar to a listbox

I am programming in asp.net and my problem is that when filling a listbox with records of a BD they are not complete because of their large size, try to make the control bigger but for some reason it does not get bigger than 280 They could help...
asked by 20.12.2016 / 03:43
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Error DialogResult is not a member of forms

Hi, I wanted to know if you can help me with this error that you sent me and I do not know how to solve it. I'll be grateful. the error is this line I am working on VB.NET 2015 Component DevExpress and Sql 2012 If accion = "new" Then I...
asked by 22.10.2016 / 21:42
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Combox query

Could someone help me hide the element of a ComboBox once they select it and not lose the internal index for the other elements? My ComboBox I charge with the following method. Private Sub ListarPeriodo() Dim _lista As New...
asked by 26.11.2016 / 14:38
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How to get the address of an active cell within a for cycle? VB.NET (EXCEL / INTEROP)

Look, I have the following problem, I am doing a program in vb.net that reads a book and analyzes how many sheets it has, columns, types and detects errors in terms of type (for example, if there is a data in a cell of type text within a numeric...
asked by 16.09.2016 / 19:55
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Dataset has 1393 rows, but only 24 of them are displayed (VB.net)

Dear friends, I am filling a Dataset using a DataGridView in Visual Basic 2013 and then sending it to Crystal Report. I was able to verify that the "Customer" table of my Dataset contains 1393 records, but only 24 are displayed. Paradoxically, i...
asked by 07.09.2016 / 14:57
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Translate data from Dataset to Crystal Reports

Dear friends, good morning, I am a newbie in VB.net and I am developing an application that extracts records from an Excel file (I do not use conventional databases). I have come to store the information of these Excel records in a table of a Da...
asked by 06.09.2016 / 23:07
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Use paradox with Visual Studio

Good day, I have a database created in paradox, and I must make a small application that shows a report with the records, this should be windows in C # or VB, someone who recommends me a tutorial on how to use it. or to explain where I can open...
asked by 11.10.2016 / 17:16
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Transaction Management in SqlServer and vb.net with TransactionScope

Using tran As New Transactions.TransactionScope Try InsertaEnTabla1() InsertaEnTabla2() InsertaEnTabla3() tran.Complete() Catch ex As Exception...
asked by 19.08.2016 / 17:12
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Image Management MVC VB.NET

Good, I need a helper that allows me to preview an image that I want to upload, the problem is that it does not show me the preview. I show you my code: This is my helper Imports System.Runtime.CompilerServices Imports System.Web.Mv...
asked by 21.11.2016 / 18:27