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| Author | Forum: PowerWEB LiveControls for ASP.NET Topic: pass variables between js and asp.net |
| administrator weiner@parrotsoftware.com From: West Bloomfield, MI USA Posts: 55 Member Since: 12/12/05 |
posted November 6, 2008 9:31 AM I have a general question about passing variable values between javascript and livecontrols. The following code will illustrate setting a livecontrol value from javascript. Why do I get different values in each textbox when they were both set to exactly the same value? Form Code: <%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %> <%@ Register assembly="Dart.PowerWEB.LiveControls" namespace="Dart.PowerWEB.LiveControls" tagprefix="cc1" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <cc1:LiveTextBox ID="LiveTextBox1" runat="server">5</cc1:LiveTextBox> <br /> <cc1:LiveButton ID="LiveButton1" runat="server" Text="Add 10 to the contents of text box" /> <br /> <br /> <cc1:LiveTextBox ID="LiveTextBox2" runat="server">0</cc1:LiveTextBox> </div> </form> </body> </html> Code Behind: Partial Class _Default Inherits System.Web.UI.Page Protected Sub LiveButton1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles LiveButton1.Click Dim t As Integer = 10 LiveButton1.BufferedScript.Write("(document.getElementById('" + LiveTextBox1.ClientID + "').value='5');") LiveTextBox1.Text = (t + CInt(LiveTextBox1.Text)).ToString LiveTextBox2.Text = (t + CInt(LiveTextBox1.Text)).ToString End Sub Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not Page.IsPostBack Then End If End Sub End Class |
| Jamie Powell (Admin) From: Rome, NY USA Posts: 448 Member Since: 03/13/07 Extra Support Options Custom Application Development |
posted November 6, 2008 9:38 AM Hello, this issue needs to be handled directly through our administrative procedures prior to response. Please contact sales@dart.com directly regarding this issue. Thank you. |
| administrator weiner@parrotsoftware.com From: West Bloomfield, MI USA Posts: 55 Member Since: 12/12/05 |
posted November 8, 2008 11:43 AM I have nenewed my subscription. Can you take a look at this? |
K M Drake From: Utica, NY USA Posts: 3406 Member Since: 07/14/00 |
posted November 10, 2008 10:21 AM Hi, I am going to assume that you meant to set *LiveTextBox2* to 5 in the client script, and then set it to t + *its* value in the server-side code. Otherwise, your post does not make much sense. The problem here is that the value of LiveTextBox2 is set twice in the same postback, so the same response sets the value twice. First it is set to 5, then to 0+10 = 10 (not 5+10, since it will not be set to 5 until this very response). The control shows the value is was last set to (10). Hope it helps, -ken |
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