Show tooltip in Asp.net Dropdownlist items Mouseover Event in C#, VB.NET

Introduction: 

Here I will explain how to show tooltip in dropdownlist items on mouseover event in asp.net using C# and VB.NET.

Description:
  
In previous posts I explained Bind data to Dropdownlist from database, Bind Images to dropdownlist, Cascading dropdownlist example and many articles relating to dropdownlist, JQuery, asp.net etc. Now I will explain how to show tooltip in dropdownlist items on mouseover event in asp.net.

To show tooltip in dropdownlist items on mousover we need to write the codesnippet like as shown below

Show tooltip in dropdownlist items mouseover event

C# Code

protected void ddlDetails_DataBound(object sender, EventArgs e) { DropDownList ddl = sender as DropDownList; if(ddl!=null) { foreach (ListItem li in ddl.Items) { li.Attributes["title"] = li.Text; }  } }

VB.NET

Protected Sub ddlDetails_DataBound(ByVal sender As Object, ByVal e As EventArgs) Dim ddl As DropDownList = TryCast(sender, DropDownList) If ddl IsNot Nothing Then For Each li As ListItem In ddl.Items li.Attributes("title") = li.Text Next End If End Sub

If you want know the complete source code please check below post

Bind or add tooltip for dropdownlist items in asp.net

Above post will explain clearly how to bind tooltip for dropdownlist items in asp.net using C# and VB.NET.

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