Textbox.text still retains the old value after changing it

I have an asp.net webpage with a form containing a series of text fields and checkboxes filled with data from the database when the page loads. I intend to do this so that the user can freely change the text or check the values ​​of the fields, and then click the button. After clicking the button, the information will be pulled out from the fields that they edited, and then db will be updated in accordance with the changes made. The problem is that textbox.text and checkbox.checked still contain the values ​​that were originally loaded into them int he page load sub, even if the text of checkbox val was changed.

Here is my code:

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 
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3 answers

The load instruction sets the form values ​​on each back of the page; it probably overrides the original value; you need to wrap the foreach code in an If (Not Page.IsPostBack) Then .. End If statement.

NTN

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Put the pageload code in if (! Page.IsPostback)

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You should try using your page,

 If (Not Page.IsPostBack) Then .. End 

In order not to update when you publish your data

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Source: https://habr.com/ru/post/1433036/


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