Question

vb.net 在textbox输入关键字就可以执行下一个事件

Answer 1

当点击button1的时候就显示吧~~才5分，真是可怜的分数。
button1里面的事件
Dim conn As SqlConnection = New SqlConnection(数据库连接)
Dim dr As SqlDataReader = Nothing
Dim cmd As SqlCommand
conn.Open()
cmd = New SqlCommand("select * from gussmann where name='" & TextBox1.Text & "'", conn)
dr = cmd.ExecuteReader()
GridView1.DataSource = dr
GridView1.DataBind()
conn.Close()

Answer 2

在 text1.TextChanged 时判断当前text1的值是不是对应的关键字：是，就执行代码；否则就不exit

Answer 3

Private Sub text1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles text1.TextChanged
'跟textbox.text内容相关函数
end sub ‘textbox1内容变化执行

Answer 4

text1.TextChanged 时间就可以触发