Disable button after click and is page valid
Tuesday 27 July 2010
To avoid multiple submissions, it's a good idea to disable the button after it's clicked and as long as the page is valid.
Let's assume your button code is like the below:
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<asp:Button ID="btnSubmit" runat="server" Text="Save" OnClick="Save" />
In the 'Page_Load' secion of your .vb file, make your code look like the below:
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Protected Sub Page_Load()
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If Not Page.IsPostBack Then
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BindData()
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End If
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End Sub
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Private Sub BindData()
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btnSubmit.Attributes.Add("onclick", "javascript: if (Page_ClientValidate()){this.value='Please wait...';this.disabled=true;}" + ClientScript.GetPostBackEventReference(btnSubmit, ""))
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End Sub
You can of course change the Please wait... text to display whatever message you want.
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