我在使用 VB.NET 应用程序将数据插入 MySQL 数据库的表中时遇到问题。我有一个简单的表单,当我在文本框中设置一些数据并按下 GO 按钮时,代码应该执行一个名为的函数InsertCar(),该函数获取所有这些值并将它们插入数据库,然后如果事务成功完成则返回 true 或否则为假。我的问题是表中没有插入任何内容。
Imports MySql.Data.MySqlClient
Imports System.Data.Sql
Imports System
Imports System.Data
Public Class Form1
Dim connectionString As String = "Server=localhost; User Id=root; Password=123456; Database=uni_park_db"
Dim SQLConnection As MySqlConnection = New MySqlConnection
Dim oDt_sched As New DataTable()
//SOME CODE For other buttons//
//Code for a button where the InsertCar() function is called at the beginning//
Public Function InsertCar() As Boolean
SQLConnection = New MySqlConnection()
SQLConnection.ConnectionString = connectionString
Dim sqlCommand As New MySqlCommand
Dim …Run Code Online (Sandbox Code Playgroud)