Questions tagged as 'c#'

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How to convert a json return into a C # object to display the result on the [duplicate]

I'm having a problem while reading a JSON and convert to an Object and display the data on the screen using C # , I'm using the Newtonsoft and would like to know how to check if the data type is an array and check if it is empty? Here i...
asked by 15.05.2018 / 02:20
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Limiting functions according to access level [closed]

I have form MenuPrincipal and FormLogon , where the latter, after performing login validation queries, calls the Menu and closes. I need to limit some buttons and controls depending on the access level of that user that just logged...
asked by 15.05.2018 / 06:31
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C # - Tool that allows signing in a PDF document

I need a tool that allows a person to sign a PDF document in a certain place in the document, does anyone have any tips? But you have to allow doing this internally in my application, tools like Adobe Sign, which use Cloud for this can not be (i...
asked by 04.05.2018 / 12:29
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Slow loading of ionic images 3

Good afternoon, I've developed a product sales app and it's working perfectly. My only problem is loading images. I downloaded some apps from stores, and the images appear almost instantly, and in my app it takes 5-9 seconds to load. I'...
asked by 05.05.2018 / 21:58
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Checklist attached to a category to later store it in another table

I have the following situation, I need to bring in my view the checklist (tbl_sistema_categoria_atendimento_checklist) that the user has registered for a certain category, the checklist should only be shown on the screen if the user selects a ca...
asked by 05.05.2018 / 22:04
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Definition IsFirstRowAsColunmNames not existing in the IExcelDataReader of the reference ExcelDataReader

Using Visual Studio 2017, I installed reference packages through Nuget ExcelDataReader EcxelDataReader.DataSet version 3.4.0 I'm following a tutorial on how to open XLS file and this one giving error in the following line, I would like...
asked by 04.05.2018 / 00:28
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How to display two TextBox from a result in DropDownList

I display a DropDownList with two SC and PR values, if it selects SC then I want it to display two TextBoxes, one with the RG, and another with the Birth Date, and if the person selects PR, I want to get off only a field with the Date of Birth a...
asked by 04.05.2018 / 02:39
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Redirect application in IIS when pool is stopped

I have an ASP.NET C # application that is updated by another application on the server. When I start the process of updating the first application in the second I stop the pool in which the first one is running. At this point I would like to...
asked by 03.05.2018 / 18:08
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Using cache during user session

I'm using OutputCache in an asp.net mvc5 application to cache a list in my application this way: [(Duration = 60, VaryByParam = "none")] public ActionResult Index() {} I just need to take advantage of this cache while the user is logged int...
asked by 09.05.2018 / 16:32
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Loss of Focus on Entry in Xamarin

I'm building a mobile application with Xamarin Forms and C # where I need to do the CPF check and validate the email. I'm wanting to do the validations as soon as the field loses focus. I'm using MVVM in my application. Can anyone help me sol...
asked by 03.05.2018 / 18:06