Questions tagged as 'vb.net'

Tagged questions
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Move a Vb.net file

I am trying to move a file inside the Server. I have this, but it is not working well at all. You can not find the correct route. Dim Origen As String = "/images/foto.jpg" Dim Destino As String = "/images/tarjetas/foto.jpg" File.Move(Origen, D...
asked by 22.05.2018 / 22:23
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I have an uncontrolled exception, I am using the digital person sdk on vb.net

This is the error that appears to me when verifying the footprint    DPFP.Error.SDKException: Event Handler has generated an Exception --- >       System.NullReferenceException: Object reference not set as   instance of an object. in SCCE...
asked by 15.05.2018 / 00:39
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Error! Unable to load the file

I was developing in Visual Studio 2010 some requirements in the system made in VB 6.0. When they shared the project I compiled well and opened all the forms without problem, then I started with the requirements, after a few minutes I ran to see...
asked by 18.05.2018 / 15:55
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How to call a scalar function of SQL Server in Visual Basic 2017?

I have a scalar function created in SQL Server 2016, this will happen three parameters employee code, movement type, cut date, I perform a calculation of total salaries with the cut date, in SQL server, it works for me 100 %, but when I send it...
asked by 11.05.2018 / 21:15
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Export date to excel vba from a web page

I am trying to export from a web page ( link ) the data of the table 1 Colombian Peso Rates table . The problem is that I do not export the date. Someone can help me with that.Annex image of the table to export table and image after exporting t...
asked by 09.05.2018 / 19:05
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odbc with crystal report, step of parameter

yesterday they helped me with a problem that I have and I had managed to solve it, but I have a more serious one derived from it ... I have a local connection odbc (mysql) configured to work with crystal report, I have to use a query with inner...
asked by 05.05.2018 / 20:58
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VB.NET-MYSQL.REPORT - launch report to viewer from a button

I wanted to see if you can help me: I have to generate a report, I am trying to pass a parameter, I have created a dataset, in that dataset a datatable with the query .. in the report I have created the parameter, but when I press the button tha...
asked by 06.05.2018 / 01:16
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VB.NET - MYSQL - Use 2 queries with an executequery?

I wanted to see if you can help me with the following: I have a method that updates the data of a table, it works well for me, but the issue is that I also need to update another table at the same time (the data is in common in both tables, a nu...
asked by 02.05.2018 / 12:50
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VB.NET- Combobox Validation using ErrorProvider

Hello good afternoon everyone, along with hello I wanted to ask you, someone has used the errorprovider in the validation of a combobox? I have a button that in the click event asks to validate that a value is entered in a textbox and that an...
asked by 26.04.2018 / 18:15
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VB.NET, show in combobox the data of a select query

Hello good night everyone, I have a method that allows you to search for a value, if you find it, it brings me the associated data and passes it to different controls, to the textbox, labels no drama, but to show in the combobox it does not work...
asked by 26.04.2018 / 20:19