Imports System.Data.SqlClient
Public Class Form1
Dim cn As SqlConnection
Dim cmd As SqlCommand
Dim da As SqlDataAdapter
Dim ds As DataSet
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Try
cn = New SqlConnection(
"Data Source=.;Initial Catalog=Sales;Integrated Security=False;User ID=sa;Password=123456;"
)
cn.Open()
cmd = New SqlCommand(
"insert into txl values('"
& TextBox1.Text &
"','"
& TextBox2.Text &
"','"
& TextBox3.Text &
"','"
& TextBox4.Text &
"','"
& TextBox5.Text &
"')"
, cn)
cmd.ExecuteNonQuery()
cn.Close()
MessageBox.Show(
"插入成功"
)
Catch ex As Exception
MessageBox.Show(ex.ToString & cmd.CommandText)
End
Try
End
Sub
Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
cn = New SqlConnection(
"Data Source=.;Initial Catalog=Sales;Integrated Security=False;User ID=sa;Password=123456;"
)
da = New SqlDataAdapter(
"select * from txl"
, cn)
ds = New DataSet()
da.Fill(ds,
"txl"
)
DataGridView1.DataSource = ds.Tables(
"txl"
)
cn.Close()
End
Sub
Private Sub Button2_Click(sender As Object, e As EventArgs)
Try
cn = New SqlConnection(
"Data Source=.;Initial Catalog=Sales;Integrated Security=False;User ID=sa;Password=123456;"
)
cn.Open()
cmd = New SqlCommand(
"insert into txl values('"
& TextBox1.Text &
"','"
& TextBox2.Text &
"','"
& TextBox3.Text &
"','"
& TextBox4.Text &
"','"
& TextBox5.Text &
"')"
, cn)
cmd.ExecuteNonQuery()
cn.Close()
MessageBox.Show(
"插入成功"
)
Catch ex As Exception
MessageBox.Show(ex.ToString & cmd.CommandText)
End
Try
End
Sub
End
Class