我有一個窗體,其中包含一系列的文本框和複選框,填充頁面加載時從數據庫中的數據的asp.net網頁。我打算讓用戶可以自由更改文本或檢查框的值,然後按下按鈕。按下按鈕後,信息將從它們編輯的框中拉出,然後數據庫將根據所做更改進行更新。問題是,即使複選框val的文本已被更改,textbox.text和checkbox.checked仍包含最初加載到頁面加載子中的值。textbox.text仍然保留舊值更改後
這裏是我的代碼至今:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim lq2 As New lqDFDataContext
Dim var = lq2.admin_GetFeatured().ToList()
Dim i As Integer = 1
For Each f In var
If i = 1 Then
isChanged.featuredID1 = f.featuredID
title1.Text = f.title
text1.Text = f.text
imageURL1.Text = f.imageURL
login1.Checked = f.loginPage
index1.Checked = f.indexPage
mobile1.Checked = f.mobilePage
priority1.Text = Str(f.priority)
End If
If i = 2 Then
isChanged.featuredID2 = f.featuredID
title2.Text = f.title
text2.Text = f.text
imageURL2.Text = f.imageURL
login2.Checked = f.loginPage
index2.Checked = f.indexPage
mobile2.Checked = f.mobilePage
priority2.Text = Str(f.priority)
End If
If i = 3 Then
isChanged.featuredID3 = f.featuredID
title3.Text = f.title
text3.Text = f.text
imageURL3.Text = f.imageURL
login3.Checked = f.loginPage
index3.Checked = f.indexPage
mobile3.Checked = f.mobilePage
priority3.Text = Str(f.priority)
End If
If i = 4 Then
isChanged.featuredID4 = f.featuredID
title4.Text = f.title
text4.Text = f.text
imageURL4.Text = f.imageURL
login4.Checked = f.loginPage
index4.Checked = f.indexPage
mobile4.Checked = f.mobilePage
priority4.Text = Str(f.priority)
End If
If i = 5 Then
isChanged.featuredID5 = f.featuredID
title5.Text = f.title
text5.Text = f.text
imageURL5.Text = f.imageURL
login5.Checked = f.loginPage
index5.Checked = f.indexPage
mobile5.Checked = f.mobilePage
priority5.Text = Str(f.priority)
End If
If i = 6 Then
isChanged.featuredID6 = f.featuredID
title6.Text = f.title
text6.Text = f.text
imageURL6.Text = f.imageURL
login6.Checked = f.loginPage
index6.Checked = f.indexPage
mobile6.Checked = f.mobilePage
priority6.Text = Str(f.priority)
End If
i = i + 1
Next
End Sub
Protected Sub featuredSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles featuredSubmit.Click
Dim lq As New lqDFDataContext
If isChanged1.Checked Then
lq.admin_RemoveFeatured(isChanged.featuredID1)
lq.admin_AddFeatured(title1.Text, text1.Text, imageURL1.Text, login1.Checked, index1.Checked, mobile1.Checked, Integer.Parse(priority1.Text))
End If
If isChanged2.Checked Then
lq.admin_RemoveFeatured(isChanged.featuredID2)
lq.admin_AddFeatured(title2.Text, text2.Text, imageURL2.Text, login2.Checked, index2.Checked, mobile2.Checked, Integer.Parse(priority2.Text))
End If
If isChanged3.Checked Then
lq.admin_RemoveFeatured(isChanged.featuredID3)
lq.admin_AddFeatured(title3.Text, text3.Text, imageURL3.Text, login3.Checked, index3.Checked, mobile3.Checked, Integer.Parse(priority3.Text))
End If
If isChanged4.Checked Then
lq.admin_RemoveFeatured(isChanged.featuredID4)
lq.admin_AddFeatured(title4.Text, text4.Text, imageURL4.Text, login4.Checked, index4.Checked, mobile4.Checked, Integer.Parse(priority4.Text))
End If
If isChanged5.Checked Then
lq.admin_RemoveFeatured(isChanged.featuredID5)
lq.admin_AddFeatured(title5.Text, text5.Text, imageURL5.Text, login5.Checked, index5.Checked, mobile5.Checked, Integer.Parse(priority5.Text))
End If
If isChanged6.Checked Then
lq.admin_RemoveFeatured(isChanged.featuredID6)
lq.admin_AddFeatured(title6.Text, text6.Text, imageURL6.Text, login6.Checked, index6.Checked, mobile6.Checked, Integer.Parse(priority6.Text))
End If
End Sub
End Class
Public Module isChanged
Public featuredID1 As Integer
Public featuredID2 As Integer
Public featuredID3 As Integer
Public featuredID4 As Integer
Public featuredID5 As Integer
Public featuredID6 As Integer
End Module
安德魯是正確的,如果你不投入,如果(不是Page.IsPostback)你總是點擊,重新加載默認值,並且這種行爲正在將新值替換爲舊的 –