I am developing a system in visual basic and using Mysql database engine
Currently I make inquiries from visual basic, but I want to change that for stored procedure, but the problem I have is that calling it from the visual application do...
I am trying to send a table as a parameter in a postgresql function, and in visual basic I get the following error:
"There is no assignment of object type System.Data.DataTable to a native type of a known managed provider."
this is the...
I want to upload a local file to a folder on a website.
I am using a application in Windows Forms , with Microsoft VS Community 2017.
Using Network.UploadFile () basically indicates the path of the local file and the address of the script tha...
I have created tables in my database, which are displayed in a datagridview individually, but by modifying one of them, I want to save as a new table within the database , thanks by adepntado
Hi, You can help me to export a report of crystal reports to an excel format in data only ... I already managed to export it to a pdf format and if I do the function but when I change the output parameters for export to Excel marks me error.
I s...
I have the following code:
For Each Subitem In lstGastoResumen_Area
Dim MesRealSub
Dim MesPPTOSub
MesRealSub = Aggregate y In lstGastoResumen Where y.Area = Subitem And y.Anio = Anio1 Into Sum(y.FebRealSoles)
MesPPTOSub = Aggr...
Cordial greeting colleagues, it turns out that I have a form, where one of its fields allows you to attach an image in a picture box by means of a button called load, that image I need to insert it into a marker that I have in a word template. T...
Imports MySql.Data.MySqlClient
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Try
Dim conexion As New MySqlConnectionStringBuilder()
conexion.Server = "localho...
Cordial greeting colleagues, It turns out that I have a form with 2 checklistbox that are filled by means of a query to a database that I have, a checklistbox is for activities to be done and the other for workers (engineers). What I am trying t...
I have a GridView in asp from which I would like to know the name or number of the column that you clicked. I'm not interested in the row since I already manage it, I want you to click on the header of a column and from there shoot a function to...