Questions tagged as 'visual-studio'

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filter from medium to image Assembler

Thank you in advance for your help. I have a problem when applying the median filtering to an image, the problem is that I only apply the filter halfway up and halfway down I put the black image, but I can not find what my error is. I hope yo...
asked by 05.06.2018 / 06:17
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Designer error Visual Studio 2005

I have a windows forms project more than 10 years old developed in Visual Studio 2005. When I compile and execute it works well, the problem arises when I open the design screen, which does not come out, The following text appears:    .ErrorS...
asked by 12.06.2018 / 13:00
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program that shows the values of the following currencies, the problem, that you do not have to accept negative numbers in the quantity textbox

Dim c = txtCantidad.Text If cboMoneda.SelectedItem = "" Or txtMoneda.Text = "" And txtCantidad.Text = "" Then End If If (cboMoneda.SelectedItem = "Dolar") Then lblIgual.Text = Val(txtCantidad.Text) & " Dola...
asked by 01.06.2018 / 01:40
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Access error denied in Xamarin

I am developing an App on Xamarin.Android and I get the following error when I try to create a PDF on the device ...    System.UnauthorizedAccessException: Access to the path "/ mnt / sdcard-ext" is denied. The weird thing is that in the...
asked by 04.06.2018 / 16:20
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Add the entire table of the database and show it with the total

I would like to add all the data stored in my price table, this table price (money) saves the price of some pizzas (it is a program of sale of pizzas) each pizza has a price of € 10, I would like to add it and show the price end in a MessageB...
asked by 04.06.2018 / 11:45
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I can not update a database of an Entity Framework (ado element)

How I have this project, where in the database in a table modify something, then I want to update the visual study model. But I get this error when I give update model from the database: "An unexpected exception occurred when generating th...
asked by 30.05.2018 / 19:25
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Fill out a PDF form from Vb.net?

I have a PDF file which I need to fill out through a form made in visual basic .net, I have read it with the iTextSharp library, however I do not know how to write in the existing PDF through code.     
asked by 24.05.2018 / 23:16
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Visual Basic - Save form in txt with format

The contact so they can help me with a problem that I have in a small form that I use with visual basic to read data. I have a form with two fields: row and item number I need to save in the following way: <table> <th>fil...
asked by 29.05.2018 / 19:41
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Clean and display a table depending on the selected client of a Dropdowlist?

I have a dynamic table that I paint by means of Javascript, only that I have a problem when selecting the client in the DropDownList, it shows me the table, and if I change the client I insert the lines in the same table, I would like it to sele...
asked by 23.05.2018 / 23:26
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Move a Vb.net file

I am trying to move a file inside the Server. I have this, but it is not working well at all. You can not find the correct route. Dim Origen As String = "/images/foto.jpg" Dim Destino As String = "/images/tarjetas/foto.jpg" File.Move(Origen, D...
asked by 23.05.2018 / 00:23