Show message and redirect to another page and on same page in asp.net c#

In this artical we learn how to show message and redirect to another page after performing some task in asp.net C#

//simply we added this at c# code side

 ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('write alert message here which you want to shown.');window.location ='page url where you want to redirect after message';", true);

//by using below example you can show message and redirect to same page after performing any action

string redirecturl = Page.Request.Url.ToString();

//if you have query string in url then add

var nameValues = HttpUtility.ParseQueryString(Request.QueryString.ToString());

if(nameValues!="" ){           

 redirecturl = redirecturl + "?" + nameValues;

}

 ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('write alert message here which you want to shown.');window.location ='" + redirecturl + "';", true);