Questions tagged as 'c#'

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Data from 2 Sub-reports appear in a report Main empty Crystal Report + MVC

I am putting together a report that involves inserting 2 linked sub-reports by 3 parameters, my problem persists when I insert 2 sub-reports in my main report, but when I insert only 1 if it shows me when I run my application and export the repo...
asked by 07.12.2018 / 17:02
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Visual Studio generates error in the jquery files when trying to compile

I am working on a project of aps.net mvc c # which I have been working on for a few days, but from moment to moment when trying to compile it generates errors in all jquery files, both those generated by default when creating the project as what...
asked by 07.12.2018 / 19:19
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Datatable does not return the first row of the query, C #

I'm trying to print two columns of a MySQL query in the console using the following code: public void cargarHorario() { DataTable tabla1 = new DataTable(); maestro.NoMaestro = 23041; tabla1.Load(DAOMaestro.se...
asked by 22.11.2018 / 20:51
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see a table with the buttonfield of my gridview

My problem is the following: in my gridview I put a buttonfield to expand the information I have in that row, but I do not work the code I did so I thought so Any ideas? preened in advance protected void grDatos_RowCommand (object sender,...
asked by 22.11.2018 / 20:17
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Load from a DataGridView different forms with the same fields but different characteristics

I have different forms with the same fields but with different characteristics. I want to load the corresponding form from a DataGridView depending on the values of txtTransport and txtType. My code is as follows: private void dgvCon...
asked by 21.11.2018 / 20:23
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problems when inserting new data to excel using datatables

I do not know how to explain my problem very well. I have never known how to do it with certainty. I will start by showing you my code where I ask the user to enter the following information: Name, last name, age and sex. These data will be s...
asked by 21.11.2018 / 19:51
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Insert / Update of record in a TableAdapter with Joins

Good Day. This is working with DevExpress and I am implementing the data update through DataBindings and TableAdapters. The problem is that the queries I require consist a lot of the Joins and it is not a viable option to use SubQuery's in...
asked by 12.12.2018 / 23:38
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C # Combobox similar to Combobox Access

I am starting to program in C # although in VBA I have been doing it for more than 20 years. My surprise has been that when using the combobox in Visual Studio 2017, they differ a lot from what I'm used to using in Access. In Access it is very s...
asked by 21.11.2018 / 19:42
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Store values in variables when changing UserControl

Good morning, I am working on an application which is a form, I have worked on C # using Windows Forms and User Controls. Here is an example: This acts as the Windows Form Main, in which the center is a panel where you link the Us...
asked by 23.11.2018 / 00:59
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Consult related tables (Many to Many), grouping results C # Linq Asp.Net MVC

I have a problem. I have 2 tables (Matricula and ValorAsistencia) that are related to an intermediate table "Assistances" (many to many). What I want is to make a query that shows me data of the first table, and then a column with the sum...
asked by 22.11.2018 / 22:42