TEXTBOX不是动态产生的,但我在ASPX 页面上有个用户控件U , 控件里有public formobj as system.web.ui.page, 然后在ASPX的PAGELOAD 里 u.formobj=me.page在u里有函数 dim T as textbox=forobj.findcontrol("T1") IF TYPEOF(t) is textbox then dim str=string=t.text '断点后显示t.text="" '但可以给t付值,如t.text="casd" 则页面可以显示t的textend if
aspx页面 Protected FormStyle1 As FormStyle Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load '在此处放置初始化页的用户代码 FormStyle1.FormObj = sender End Subformstyle1为usercontrol,ascx里 If Not Page.IsPostBack Then dim t as textbox t = FormObj.Controls(0).FindControl("textbox_catalogname") t.text="abc" '到页面后显示t.text为"abc",在页面输入"efg"后提交 Else dimt t as textbox t = FormObj.Controls(0).FindControl("textbox_catalogname") dim str as string=t.text '此时t.text的值为"" End If
后面这端编码是在什么时候执行的?ASPX里的东西呢?假如这么做呢? dimt t as textbox t = Page.FindControl("textbox_catalogname") dim str as string=t.text?
对不起,确切代码因该为aspx页面 Protected FormStyle1 As FormStyle Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load '在此处放置初始化页的用户代码 FormStyle1.FormObj = sender End Subformstyle1为usercontrol,ascx里 If Not Page.IsPostBack Then dim t as textbox t = FormObj.Controls(0).FindControl("textbox_catalogname") dim ds as new dataset '获取ds t.text=ds.table(0).rows(0).item("name") '到页面后显示t.text为"abc",在页面输入"efg"后提交 Else dimt t as textbox t = FormObj.Controls(0).FindControl("textbox_catalogname") ds.tables(0).rows(0).item("name")=t.text '此时t.text的值为"" ''而且很奇怪,此时检查后台数据库的NAME值已为"",而我并没有用update,或显式修改数据库 End If
控件里有public formobj as system.web.ui.page,
然后在ASPX的PAGELOAD 里
u.formobj=me.page在u里有函数
dim T as textbox=forobj.findcontrol("T1")
IF TYPEOF(t) is textbox then
dim str=string=t.text
'断点后显示t.text=""
'但可以给t付值,如t.text="casd" 则页面可以显示t的textend if
Protected FormStyle1 As FormStyle
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'在此处放置初始化页的用户代码
FormStyle1.FormObj = sender
End Subformstyle1为usercontrol,ascx里
If Not Page.IsPostBack Then
dim t as textbox
t = FormObj.Controls(0).FindControl("textbox_catalogname")
t.text="abc"
'到页面后显示t.text为"abc",在页面输入"efg"后提交
Else
dimt t as textbox
t = FormObj.Controls(0).FindControl("textbox_catalogname")
dim str as string=t.text
'此时t.text的值为""
End If
t = Page.FindControl("textbox_catalogname")
dim str as string=t.text?
Protected FormStyle1 As FormStyle
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'在此处放置初始化页的用户代码
FormStyle1.FormObj = sender
End Subformstyle1为usercontrol,ascx里
If Not Page.IsPostBack Then
dim t as textbox
t = FormObj.Controls(0).FindControl("textbox_catalogname")
dim ds as new dataset
'获取ds
t.text=ds.table(0).rows(0).item("name")
'到页面后显示t.text为"abc",在页面输入"efg"后提交
Else
dimt t as textbox
t = FormObj.Controls(0).FindControl("textbox_catalogname")
ds.tables(0).rows(0).item("name")=t.text
'此时t.text的值为""
''而且很奇怪,此时检查后台数据库的NAME值已为"",而我并没有用update,或显式修改数据库
End If