c# - Converting Dropdown list to int -

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Hello friends I'm trying to store value in an integer from the dropdown list but I have an exception input string Not in the correct format. 

  Int experience Years = Convert.ToInt32 ("DropDownList1.SelectedValue");

Please help.

remove quotation marks; The code that stands is trying to convert an integer into the literal string "DropDownList1.SelectedValue" , which can not do it. 

  int experienceYears = Convert.ToInt32 (DropDownList1.SelectedValue);

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