Questions tagged as '.net'

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Intermittent Application

I have a system developed in .NET Framework 4.0 running on IIS 7.5. From time to time, the system gives a problem in which no user can log in anymore, however, in these moments, when I run the application through Visual Studio and I point to thi...
asked by 23.11.2016 / 14:45
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Query of dataset that shows last ID created giving error

I am making a people registration form which when I finish entering the data it shows a MessageBox saying with which ID the person was registered. For this I use a% w of% of my query (I'm using Entity Framework model first), but fo...
asked by 10.11.2016 / 15:47
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Can not perform CAS Asserts in Security Transparent methods EXT.NET - Localweb

When I upload my project to locaweb, I get the following error message, does anyone know how I can solve it?     
asked by 28.11.2016 / 17:46
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Error generating report: Column and Column have conflicting properties: DataType property mismatch

When trying to populate a datatable dynamically, the error occurs at the time of merge of the other data. For Each drw In dtbTemp.Rows dtb = obj.Enquadra(drw.Item("IDCON_TMP"), drw.Item("IDCAR_TMP"))...
asked by 27.10.2016 / 21:16
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How to put two images in itext.PdfTemplate

I would like to know if anyone could help me I need to create a pdf report in the header that would have two images one right the other one the left and the title in the center ..     
asked by 12.09.2016 / 18:12
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Connection error while performing query

I'm a beginner in programming and I'm trying to connect to a database. But when I click the "Search" button to browse the database and display values on my screen, the following error is generated through a messagebox that I put in Catch:   ...
asked by 13.09.2016 / 21:56
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Strange text appearing on page after saving a file

I am creating a text editor in C #, but when I saved a file .html , on the page appeared that error Code:usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;using...
asked by 06.08.2016 / 20:16
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Exception error when authenticating login with null values - Simplemembership - ASPNET MVC

I've developed a project in asp.net mvc5 from a course I'm doing, which is accusing the following exception error at the time of authenticating the login menu when I do not enter any data in the form fields and step null parameters:    "An ex...
asked by 11.08.2016 / 17:00
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Saving report to disk in PDF

I took a legacy code here and I have no WindowsForms experience. The case is, a report is generated and saved inside an object of type PrintDocument. Then it seems to populate another object, of type PrintPriviewDialog, and already calls t...
asked by 18.05.2016 / 15:44
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Calling the webservice with an XML

I have to develop a webservice (rest) in java that will be called by an excel add-in developed in .NET.     This plugin has to send an xml, what I did was transform into a string only the XML is huge. A string does not have enough space to alloc...
asked by 06.06.2016 / 17:40