Questions tagged as 'c#'

Tagged questions
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Get the value of a field with Linq

I want to get the value of the field extension and be able to use it in a variable but it marks me error. This is the code I'm using var ext = (from ex in ctx.usuarios_bastion where ex.id == idus select ex).ToList().ToString();...
asked by 22.11.2018 / 22:15
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query in LINQ, select with different tables

see this method, I repeat the (from Proyectos in db.Proyectos select Proyectos.idProyecto).Max(); I do not like it, I want in var db , get the name of the table, this table previously had already made an insert and in this method...
asked by 29.11.2018 / 18:31
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DataBinding does not work in a C # winform textbox

I request your kind cooperation with the following, I have a student class and a form with 2 textbox, in the load of the form I declare the DataBindings property of each textbox with the attributes of the class, however when setting an attribute...
asked by 07.12.2018 / 20:28
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How do I add data from a table column in C # and SQL Server with Entity framework?

I'm working with c # in visual studio and entity framework, I'm a novice in this. What I need is to add a column of a sql server table. I had thought about creating a list with all those numbers and then adding them. But I do not know how to do...
asked by 09.12.2018 / 02:56
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Format an XML string

I usually do the following: XmlDocument document = new XmlDocument(); document.LoadXml("htts://example.com/documento.xml"); File.WriteAllText(@"C:\ruta\mixml.xml", document.OuterXml); and when opening the file, the result is that I get the...
asked by 09.12.2018 / 04:50
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How to return values in a WCF web service

I'm doing this web method, and everything is fine until the moment when it will return the data, "It does not show them" and I do not know what is wrong with me. The controller works, the Repository works, the SP works, the matter is at the time...
asked by 11.12.2018 / 21:07
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How to save the checks from a checkbox to the database?

I developed an application in WPF with C #. I have a window that contains a Combobox where the Items are composed of Checkbox with a foreach result of a table. My question is: How do I keep in the database with LINQ, the checkbox check that are...
asked by 12.12.2018 / 18:55
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Image animations

Hi, I created a stackpanel where I placed the images located in the same position, what I want is for each image to be shown one by one for 5 seconds. <StackPanel x:Name="derecho" Margin="250,50,40,50"> <Image x:Name="img1"...
asked by 30.12.2018 / 19:58
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How to export to Excel data from a table (datatable) asp.net mvc 5

This is on my table I need to send to excel This is a part of my view <div class="panel panel-flat"> <div class="panel-heading"> <h5 class="panel-title">Tipo Planilla:<strong> @ViewBag.FrecuenciaPag...
asked by 15.11.2018 / 21:25
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Does anyone know why I get the datetime?

Some help I'm bringing with asp.net mvc the tables I call it with ajax     
asked by 16.11.2018 / 02:16