登录窗体Form1：I mports System.Data Imports System.Data.SqlClient Public Class Form1 Private Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click Dim myconn As New SqlConnection("UID=sa;password=sa;database=图书管理系统;
传智播客传智播客省级数据库txt文件里面use SimpleArticle go --创建Province表 create table Province ( proID int primary key, proName nvarchar(50) not null ) -------------------------------------------------------------------------------------------------------------------
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数据库访问 using System; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Configuration; namespace TestDataControl { public partial class Form1 : Form { //先new一个变量 DateControl.DateControl dc = new DateC
