Protected Sub Button3_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim cons, query As String
Dim con As OdbcConnection
Dim adpt As OdbcDataAdapter
'Dim num As Integer
cons = "dsn=Courier; UID=Courier; PWD=123;"
con = New OdbcConnection(cons)
con.Open()
query = "select Name from EMPLOYEE where EMPLOYEE_ID=" + DropDownList1.SelectedValue
Dim ds As DataSet
adpt = New OdbcDataAdapter(query, con)
ds = New DataSet
adpt.Fill(ds, "Courier")
' TextBox1.Text = ds
con.Close()
End Sub
我想显示在查询中指定文本框whoos ID的雇员的名称,我能做些什么?从SQL查询获取价值到文本框
你可以开始阅读一些关于.NET编程的书籍 –