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Help with an issue in a C# MVC project

The app works fine in VS 2019 but after publishing I get the error "The underlying provider failed on Open" on the external server.

I need a .NET C# programmer with good knowledge of Entityframework and database first.

Kĩ năng: Lập trình C#, .NET, Microsoft SQL Server, MVC

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Về Bên Thuê:
( 10 nhận xét ) Groningen, Netherlands

ID dự án: #31581047

48 freelancer chào giá trung bình$135 cho công việc này

(339 Nhận xét)
8.6
(120 Nhận xét)
7.8
customizedata

It looks like an issue with Sql connectivity. 1-Is database local or some hosting (Azure etc) ? 2-Will sql user has all rights assigned ? 3-Connection string for sql is in encrypted format or visible ? Looking forw Thêm

$150 USD trong 3 ngày
(214 Nhận xét)
7.5
(38 Nhận xét)
7.3
(946 Nhận xét)
7.6
WebInfoSolutions

Can I please check the code and website url showing you this error. I have already encountered this error so consider this done

$30 USD trong 1 ngày
(116 Nhận xét)
7.1
(37 Nhận xét)
7.1
azmatakhtar

Hi, I will solve this problem with you today hopefully and explain you waht the issue was so you can handle in future deployments. DM me

$99 USD trong 1 ngày
(70 Nhận xét)
6.7
(26 Nhận xét)
6.0
(98 Nhận xét)
6.4
akshaybhagwat76

Hello Sir, As you're .NET C# programmer with good knowledge of Entityframework and database first to fix "The underlying provider failed on Open" on the external server. I'm pleased to give my service for same remote Thêm

$80 USD trong 1 ngày
(29 Nhận xét)
5.7
liveexperts123

Hi there, I have read your project description and i'm confident i can do this project for you perfectly.I still have a few questions. please leave a message on my chat so we can discuss the budget and deadline of the Thêm

$250 USD trong 5 ngày
(8 Nhận xét)
5.4
(23 Nhận xét)
5.6
(15 Nhận xét)
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(25 Nhận xét)
5.5
(22 Nhận xét)
5.2
harune

Hello. I am a Certified PMP (Project Management Professional) & Scrum (Agile) Professional offering services as Full Stack Developer (Frontend & BackEnd), having hands-on experience of developing small, medium and ente Thêm

$140 USD trong 7 ngày
(13 Nhận xét)
5.2
wasifmuneer

Hello, Can we discuss the project details over chat? I am MS full stack developer having expertise in developing web, desktop application and I think I can manage this project well. I can share my project examples Thêm

$140 USD trong 1 ngày
(22 Nhận xét)
4.7
ivanovatale

I’ve spent most of my career developing with C#, vb.net During that time it’s been necessary to attain a working knowledge of many other technologies, including C#, Asp.net Web Forms,Asp.net MVC, SQL Server, MY SQL, S Thêm

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(6 Nhận xét)
4.6
tarang027

Hi, I can definitely assist you to fix the erroryou are getting in your existing webiste. As I have 12+ years of experience I do have worked on many projects based on this Technology sp the work I will provide you wi Thêm

$250 USD trong 7 ngày
(1 Nhận xét)
4.2