How to Create Search the records in DataGridView to show the highlighting keyword

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VS2010

Dear Sir or Madam,

I am working on VB. I have 3 columns in my DGV the first column is First Name, Second is Last Name, and the third is Phone Number.

I would like to show the First Name of the users while we type the keywords into a Search Text Box and then show the highlight keywords in the beginning, Middle, and the last.

my local database is datacontact.sdf . I prefer to create a search textbox like a screen shot below: but not use with website

http://social.msdn.microsoft.com/Forums/getfile/302827[^]

this is the source link:

http://www.aspdotnet-suresh.com/2011/12/search-records-in-gridview-and.html

Kind regards,