Questions tagged as '.net'

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Custom checkout in VB.NET

I would need help to integrate custom. I'm working in Visual Studio 2010. I get the following error when I want to perform init_point Value cannot be null. Parameter name: url I attach the code. If I pass variables p00 and p...
asked by 11.08.2017 / 15:49
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Bring database to RadioButton

Greetings, I have a datagridview with an edit button. When you press to edit, the button brings all the data from the database to the form called Update. With the text fields it is simple. I was able to do the conversion in this way: pr...
asked by 14.08.2017 / 22:35
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Convert java code to c #

Good morning. I have had a desktop application in java to convert it to WPF (c #). I do not know much about java but intuiting what it does, little by little I have managed to translate it except for a block of code. The code is as follows:...
asked by 24.08.2017 / 17:22
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Responds to redirected user. OAuth2 protocol

In the OAuth2 protocol, once the user has granted permission to an application (Windows Forms) and is redirected to the url link , how can you get the code SERVER_GENERATED_AUTHORIZATION_CODE in a development made in c #? The operation of th...
asked by 07.08.2017 / 13:33
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SelectionChanged in datagridview does not behave properly

I am developing an application in VB.NET 2010 in which I have a form, a datagridview that is filled with data. When I complete the DGV load I do the following: Me.DataGridView1.ClearSelection() Below I have a series of textboxes, combos, et...
asked by 16.08.2017 / 13:34
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Conditional printing of DataItemTemplate in a Grid

I receive a status value that can be 20 or 90. Depending on the state, I decide whether to show the html or not. So far I was doing it with #Eval('Estado') and I was not giving any problem. The headaches have come when I have found the...
asked by 06.07.2017 / 13:44
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How to find all the objects that implement ICollection?

Given this property: Public Overridable Property Collecions As ICollection(Of String) Which we could instantiate like this: variable.Collecions = New List(Of String) Or like this: variable.Collecions = New LinkedList(Of String) Th...
asked by 12.07.2017 / 19:48
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Error with SUNAT HttpWebRequest {WebService: "Error on the remote server: (500) Internal server error."}

I'm trying to consume a WebService but I have the following error:    {"Error on the remote server: (500) Internal server error."}; The address URL of WebService is the following link . Through a Reference I cou...
asked by 12.06.2017 / 21:14
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Access files in OneDrive folder

This is developing an application in .Net that requires access to office files (Word, Excel, PDF, etc.) hosted in OneDrive folders, the access must be stream level and not logical, since you want to add an electronic signature to said documents,...
asked by 12.06.2017 / 18:53
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How to control the Leave or Validated event of a textbox inside an MDI container? C #

The detail is that I have a form which I call frmPrincipal which has the property MDiContainer as true, when starting the command form call as child a form called frmArticulo , the main idea is that if at the time of registering a new a...
asked by 13.06.2017 / 23:47