ASP.NET: How to Display Yes No message box & handle response in C# ASP.NET

Note:
Please remember javascript is type sensitive & whenever you copy something from internet check the code again for example change the double quotation mark and inverted coma sign.

Code behind file, aspx.cs file:

Response.Write(“alert(‘Hello’)”);


Normal message box:
Response.Write(“alert(‘Hello’)”);
Response.Write(” alert(‘” + myStringVariable + “‘) “);

Yes no message box:
Response.Write(“confirm(‘Are you sure to continue?’);”);

Yes no response:

. I write the code for .aspx page.

=======================================================================    <asp:Button ID=”btnCommit” runat=”server” Text=”Commit”
OnClientClick=”if(!confirm(‘Are you quite sure?’)) return false;”
onclick=”btnCommit_Click” />=======================================================================

Copy and paste following code in your code behind(aspx.cs) page.
=======================================================================
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write(“alert(‘Yes button clicked.’)”);
}
=======================================================================

2nd method:

use javascript in .aspx

function confirm() 

if (confirm ==true) 
do something;
else
     return false;
}

then write in .aspx.cs
ButtonSave.Attributes.Add(“onclick”, “return confirm(‘Are you sure you proceed?’);”);

 

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