数据库技术及应用课程设计项目设计报告说明书之作业提交系统 - 图文

Dim cnn As New SqlConnection '定义一个对象，对象名为cnn,它是一个数据库连接对象。 cnn.ConnectionString = \& Application(\& \作业提交系统\ '给出连接对象的连接信息。 cnn.Open() If cnn.State = ConnectionState.Open Then Dim qq As String qq = \学生信息表 values('\& \ Dim cmd As New SqlCommand '定义对象cmd,是一个SQL数据库的命令对象 cmd.CommandText = qq cmd.Connection = cnn 'cmd使用cnn连接数据库 Dim aaa As Integer aaa = cmd.ExecuteNonQuery() Label1.Text = \已成功添加的记录条数为：\ End If End Sub Protected Sub TextBox2_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox2.TextChanged End Sub Protected Sub TextBox1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged End Sub Protected Sub TextBox5_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox5.TextChanged End Sub End Class 删除作业提交表中已有的成绩 <%@ Page Language=\AutoEventWireup=\CodeFile=\Inherits=\ 无标题页