Disable some Button in all Pages using Master Page in ASP.Net

iammann

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User: iammann
Posted: on Jul 31, 2019 05:52 AM
Forum: ASP.Net Web Forms
Replies: 3
Views: 7676

I have a application in which there are more than 50 pages .

My requirement is that i want to disable some button in all pages using master page on condition.

Let clear once again.I want to disable some button only not all in whole application.

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dharmend...

0 1

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User: dharmendr
Replied: on Jul 31, 2019 05:55 AM
Modified: on Jul 31, 2019 05:55 AM
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Hi iammann,

Use CSS to disable the button.

For the button you want to disable add the attribute disabled to it.

When not required remove the attribute disabled.

HTML

<asp:Button ID="btnAdd" Text="Add" runat="server" OnClick="Add" disabled />
<asp:Button ID="btnUpdate" Text="Update" runat="server" OnClick="Update" />
<asp:Button ID="btnDelete" Text="Delete" runat="server" OnClick="Delete" disabled />

Demos

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <style type="text/css">
        button:disabled, button[disabled]
        {
            border: 1px solid #999999;
            background-color: #cccccc;
            color: #666666;
        }
    </style>
</head>
<body>
    <input type="submit" name="btnAdd" value="Add" id="btnAdd" disabled="" />
    <input type="submit" name="btnUpdate" value="Update" id="btnUpdate" />
    <input type="submit" name="btnDelete" value="Delete" id="btnDelete" disabled="" />
</body>
</html>

Demo

iammann

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User: iammann
Replied: on Jul 31, 2019 11:20 PM
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thanks dharmendra sir,

But my i think you have not understand exactly what i want.

my question is that i have multiple pages in a application and there is many buttons in all pages.i want to disable some buttons in all pages using a common code but from the server side not css or javascript.

suppose a user logged in and i want that particular user should not be able to delete some data in whole appliation so how can i implement this .

My application is ready but now this scenario came from the client to do this .so i cant create any role for that particular user.

using some condtions i have to do it but on application level.not a single page.

pandeyis...

0 3

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User: pandeyism
Replied: on Aug 02, 2019 02:21 AM
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Hi iammann,

Refer below sample. I have checked the condition with Button Text. You can change it as per your need.

HTML

MasterPage.master

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %>

<!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></title>
    <asp:ContentPlaceHolder ID="head" runat="server">
    </asp:ContentPlaceHolder>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
        </asp:ContentPlaceHolder>
    </div>
    </form>
</body>
</html>

Default.aspx

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true"
    CodeFile="Default.aspx.cs" Inherits="_Default" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <asp:Button ID="btnDisplay" Text="Display" runat="server" />
    <asp:Button ID="btnUpdate" Text="Update" runat="server" />
    <asp:Button ID="btnDelete" Text="Delete" runat="server" />
</asp:Content>

CS.aspx

UserName : <asp:TextBox runat="server" ID="txtUser" /><br />
<asp:Button Text="Login" runat="server" OnClick="Login" />

Code

CS.aspx.cs

protected void Login(object sender, EventArgs e)
{
    Session["User"] = txtUser.Text;
    Response.Redirect("Default.aspx");
}

MasterPage.master.cs

protected void Page_Load(object sender, EventArgs e)
{
    if (Session["User"].ToString() == "Admin")
    {
        HideDeleteButton();
    }
}

private void HideDeleteButton()
{
    foreach (Button btn in this.ContentPlaceHolder1.Controls.OfType<Button>())
    {
        if (btn.Text == "Delete")
        {
            btn.Enable = false;
        }
    }
}

VB.Net

VB.aspx.vb

Protected Sub Login(ByVal sender As Object, ByVal e As EventArgs)
    Session("User") = txtUser.Text
    Response.Redirect("Default.aspx")
End Sub

MasterPage.master.vb

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
        If Session("User").ToString() == "Admin" Then
            HideDeleteButton()
        End If
    End Sub

    Private Sub HideDeleteButton()
        For Each btn As Button In Me.ContentPlaceHolder1.Controls.OfType(Of Button)()
            If btn.Text == "Delete" Then
                btn.Enable = False
            End If
        Next
    End Sub

Screenshot

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Disable some Button in all Pages using Master Page in ASP.Net

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