Question

在 System.Data.SqlClient.SqlException 中第一次偶然出现的“System.Data.dll”类型的异常

Imports System.Data.SqlClient
Public Class Form1
Dim conn As SqlConnection
Dim da As SqlDataAdapter
Dim ds As DataSet
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim xuehao = TextBox1.Text
Dim xingming = TextBox4.Text
Dim yuwen = TextBox3.Text
Dim shuxue = TextBox2.Text
Dim yingyu = TextBox5.Text
Try
conn = New SqlConnection()
conn.ConnectionString = "data source=(local);initial catalog=sales;integrated security=false;user id=sa;password=aa"
conn.Open()
Dim strSQL As String
strSQL = "insert into grade(学号，姓名，语文，数学，英语) values ('" & xuehao & "','" & xingming & "','" & yuwen & "','" & shuxue & "','" & yingyu & "')"
MessageBox.Show(strSQL)
Dim comm As New SqlCommand(strSQL, conn)
comm.ExecuteNonQuery()
conn.Close()
MessageBox.Show("数据添加成功！")
Catch
MessageBox.Show("数据库连接有误！")
End Try
End Sub

Answer 1

编程。。。。。好牛啊