同济大学数据库实验八.docVIP

实验目的 掌握ADO.NET的数据库访问方法。 学习绑定对象的操作方法。 实验内容 （实验题目+运行界面截图+实现代码） 方法一代码：（注：红色字体为输入的代码） Imports System.Data.SqlClient Public Class Form1 Inherits System.Windows.Forms.Form Public mybind As BindingManagerBase Private Sub StudentBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles StudentBindingNavigatorSaveItem.Click Me.Validate() Me.StudentBindingSource.EndEdit() Me.TableAdapterManager.UpdateAll(Me.UniversityDataSet) End Sub Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load TODO: 这行代码将数据加载到表“UniversityDataSet.student”中。您可以根据需要移动或移除它。 Me.StudentTableAdapter.Fill(Me.UniversityDataSet.student) mybind = Me.BindingContext(StudentBindingSource) End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click mybind.Position = 0 End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click mybind.Position = mybind.Position - 1 End Sub Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click mybind.Position = mybind.Position + 1 End Sub Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click mybind.Position = mybind.Count - 1 End Sub Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click mybind.AddNew() End Sub Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click mybind.RemoveAt(mybind.Position) End Sub Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click Validate() StudentBindingSource.EndEdit() TableAdapterManager.UpdateAll(Me.Univ