我的标签文本在 page_load asp.net 上没有更改
我刚刚开始研究asp.net。我的代码可以在 VB 中运行,但不能在 asp 中运行。
我已将其放入 page_load 中:
Dim db_con As SqlConnection, ssql As String, db_cmd As SqlCommand, rdr As SqlDataReader
db_con = New SqlConnection("Data Source=myServer;Initial Catalog=processes;User Id=usrID;Password=mypwd;")
db_cmd = New SqlCommand()
ssql = "SELECT * FROM command_table_links WHERE command_id = 1"
db_con.Open()
db_cmd.Connection = db_con
db_cmd.CommandText = ssql
db_cmd.CommandType = Data.CommandType.Text
rdr = db_cmd.ExecuteReader()
rdr.Read()
If rdr.HasRows Then
lblTest.Text = "It connected"
Else
lblTest.Text = "No Connection"
End If
rdr.Close()
db_con.Close()
知道为什么这在 asp.net 中不起作用吗?问题是标签是空白的。在 vb.net 中,一旦显示表单,标签就会显示“已连接”。
I'm just starting out looking at asp.net. I've got this code that works in VB, but not in asp.
I've put this in the page_load:
Dim db_con As SqlConnection, ssql As String, db_cmd As SqlCommand, rdr As SqlDataReader
db_con = New SqlConnection("Data Source=myServer;Initial Catalog=processes;User Id=usrID;Password=mypwd;")
db_cmd = New SqlCommand()
ssql = "SELECT * FROM command_table_links WHERE command_id = 1"
db_con.Open()
db_cmd.Connection = db_con
db_cmd.CommandText = ssql
db_cmd.CommandType = Data.CommandType.Text
rdr = db_cmd.ExecuteReader()
rdr.Read()
If rdr.HasRows Then
lblTest.Text = "It connected"
Else
lblTest.Text = "No Connection"
End If
rdr.Close()
db_con.Close()
Any idea why this wouldn't work in asp.net? The issue is that the label is blank. In vb.net as soon as the form is shown, the lable says "It connected".
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它必须是:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) 处理 Me.Load
it must be:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load