Questions tagged as 'c#'

Tagged questions
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How can I format a column in Excel with OpenXml and C #?

Please, does anyone know how I can format a column in Excel with OpenXml and C #? I have an Excel file that has the predefined columns. This is filled with an SSIS, but I need to then format it with OpenXML and C # (required in this way).     
asked by 16.11.2017 / 19:49
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Why can not my crystal report be seen?

I have a webform project on asp.net with c #, I work with web forms. I have added a Gridview to show the data of a SQL query and I want to show them in a crystal report. But it happens that when executing it does not appear and clicking the butt...
asked by 20.03.2018 / 18:12
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C # See hidden folders

What I want to do is change the configuration of the computer so that the hidden folders can be seen and also so that the non-hidden folders can not be seen. Obviously with C # code but you can in any other way .... Reference image     
asked by 19.03.2017 / 16:04
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how to add letters and numbers in C # code? [closed]

What I want to know is how I can generate a new code but with the following -When selecting the first radiobutton, the first two letters of the code are generated -When selecting the second radio button, the third letter of the code is generated...
asked by 30.05.2018 / 17:59
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500 Internal Error Market Payment

Hello, I am trying to make a basic payment for MercadoPago and return the "500 Internal Error". Here I leave the code that I am using. Thanks. var mp = new MercadoPago(); String data = "{" + "\"transaction_amount\": 10," + "\"token\"...
asked by 05.10.2017 / 15:30
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Launch Applications From The Browser?

Good morning, I have the following question several days ago I am trying to open applications that have installed the client from the browser, As seen in the attached images (This is from Google Chrome) (This functionality is from BitBucket) whe...
asked by 28.12.2017 / 19:23
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Mix in a list common and non-common numbers within the interval marked by the first list [duplicated]

Good morning, I have reconsidered the question I have a list:    [- 0.5, -0.4, -0.1, 0, 1.0, 2.0, 3.0, 2.0, 1.0, 0, -0.2, -0.3 -0.5] and another list:    [- 0.3, -0.1, 0, 1.2, 2.0, 2.3, 2.0, 1.5, 0, -0.1, -0.3 -0.5] the final...
asked by 10.01.2017 / 10:49
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C #. Use sql data to do access searches

Bunas. I would like to know how I can extract data from sql and use each extracted data to do a search in a database in access. This is my code. public DataTable heater() { DataTable dt = new DataTable(); DataTable dt1 = ne...
asked by 28.11.2016 / 15:22
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Telerik- How to use an Upload control as a cell editor in Grid?

I'm using controls for ASP.NET MVC from Telerik, I need to use a Upload control as an editor in a cell of a grid. The idea is to have a cell to write a description of the file and in the other cell the upload to select the file and at the end sa...
asked by 19.10.2016 / 23:30
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Invoices with consecutive multiuser [closed]

Good as you can control one when 2 people try to save an invoice in the same instant in mysql or in sql. Now try with autonumerics and with max (id), also try a counter in a table but always throw an exception when you try to access at the same...
asked by 12.07.2018 / 17:57