同济大学SQL数据库实验8
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Imports System.Data.SqlClient
Public Class Form1
Dim mybind As New BindingSource
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim myconn As New SqlConnection("initial catalog=university;data
source=jd299;integrated security=true;")
Dim mydata As String = "select * from student"
Dim adapter As New SqlDataAdapter(mydata, myconn)
Dim dataset As New DataSet
adapter.Fill(dataset, "list")
mybind.DataSource = dataset
mybind.DataMember = "list"
TextBox1.DataBindings.Add(New Binding("text", mybind, "snum", True))
TextBox2.DataBindings.Add(New Binding("text", mybind, "sname", True))
TextBox3.DataBindings.Add(New Binding("text", mybind, "sex", True))
TextBox4.DataBindings.Add(New Binding("text", mybind, "telephone", True))
TextBox5.DataBindings.Add(New Binding("text", mybind, "birthday", True))
TextBox6.DataBindings.Add(New Binding("text", mybind, "dept", True))
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
mybind.AddNew()
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
mybind.MoveFirst()
End Sub
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
mybind.MovePrevious()
End Sub
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
mybind.MoveNext()
End Sub
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
mybind.MoveLast()
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
mybind.RemoveAt(mybind.Position)
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim myconn As New SqlConnection("initial catalog=university;data
source=jd299;integrated security=true;")
Dim mydata As String = "select * from student"
Dim adapter As New SqlDataAdapter(mydata, myconn)
Dim dataset As New DataSet
adapter.Fill(dataset, "list")
mybind.DataSource = dataset
mybind.DataMember = "list"
mybind.EndEdit()
adapter.Update(dataset.Tables("list"))
End Sub
End Class
Imports System.Data.SqlClient
Public Class Form1
Dim mybindres As New BindingSource
Dim myconn As New SqlConnection("initial catalog=university;data source=jd305;integrated security=true;")
Dim mysql As String= "select student.snum,sname,cname,score from student,sc,sections,course where student.snum=sc.snum and sc.secnum=sections.secnum and um=um "
Dim myadapter As New SqlDataAdapter(mysql, myconn)
Dim mydataset As New DataSet
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
myadapter.Fill(mydataset, "list")
mybindres.DataSource = mydataset
mybindres.DataMember = "list"
TextBox1.DataBindings.Add(New Binding("text", mybindres, "snum", True))
TextBox2.DataBindings.Add(New Binding("text", mybindres, "sname", True))
TextBox3.DataBindings.Add(New Binding("text", mybindres, "cname", True))
TextBox4.DataBindings.Add(New Binding("text", mybindres, "score", True)) End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
mybindres.MoveFirst()
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
mybindres.MovePrevious()
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
mybindres.MoveNext()
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
mybindres.MoveLast()
End Sub
End Class