Questions tagged as 'windows-forms'

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help with the run time problem in a query statement Dapper c #

That such friends I am working an application with c # using the orm dapper. in case it is that in certain occasions I keep a certain number of records in a single execution, approximately 400 records. the problem is that sometimes, I throw an e...
asked by 17.08.2018 / 03:58
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Windows Forms Message.Hub

Working with Windows Forms, Visual Studio 2015, Message.Hub I have time working with this event subscribe without problems, now I have the need to subscribe an event and it is executed before the Load event but it is not happening that, on th...
asked by 18.08.2018 / 22:17
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GroupBox and CheckBox c # winforms

I have a groupbox with several checkbox in, what I want to do is go through all the checkbox and get its status and see if it is selected or not and save in a variable that result (checked = 1, no checked = 0) to late...
asked by 05.08.2018 / 21:21
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The project file could not be loaded. Data at the root level is invalid. Line 1, position 1

For some reason my visual studio projects do not work, all I can achieve is to get this message:    The project file could not be loaded. Data at the root level is invalid. Line 1, position 1. The file that indicates if it exist...
asked by 29.07.2018 / 21:54
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Activate Windows Form Scrolling Bar

I would like to know how I can activate the scrollbar for a Windows Form which appears from the design exactly like this: This is before starting the application, but I do not remember how it was that I put it in. I hope you can help me...
asked by 03.08.2018 / 01:52
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Memory space error with C #, using FileWatcher, MODI threads and queues

I am putting OCR images in .tif format with the SharePoint 2007 dll (MODI). I analyze with FileWatcher a folder including subdirectories, the alert is generated when new files are created inside the structure, I keep the path of the new file...
asked by 27.07.2018 / 21:33
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I can not Create a reminder in Google Api Calendar from C #, always put the reminder by default, and send it in False (UseDefault = false,)

public Boolean CrearEvento(Eventos_ENT obj_evento) { try { UserCredential credential = GoogleWebAuthorizationBroker.AuthorizeAsync( new ClientSecrets {...
asked by 19.07.2018 / 17:25
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Winforms: Access a control from another thread

To access a control of a form from another thread, what technique is recommended, Delegate con el invoke or class BackgroundWorker ? Case 1 Delegate with the invoke : delegate void SetTextCallback(string text); private void S...
asked by 04.07.2018 / 20:26
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The input string does not have the correct format. C # SQLServer

Good morning, first of all a greeting, the error that I have is the following:    The input string does not have the correct format. I'll leave the code below, once I select the edit button to send the data of GridView just e...
asked by 27.06.2018 / 20:20
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Call a form and it shows on the second screen connected to the PC

I want that when touching a button, a form appears on the screen that I have connected, as does Microsoft PowerPoint. In summary as a presentation with slides. Also, how to make the form appear in full screen, as when you watch a video in YouTub...
asked by 28.06.2018 / 19:39