urgent ! Problem in updating the database from the textbox.text value

Hi Guys,

I have problem while i am working on my project for the university. i am using asp.net C#

i have page includes textbox its ID is (New_Title_tb) , take its value from the database as following:
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protected void Page_Load(object sender, EventArgs e)
{
OleDbConnection myConn = Go to the complete details ...