asp.net c# read lines of text file and put each row in mutliple variables variables not updated

About this code you helped me here:

List<string> contents = File.ReadAllLines(@"C:\Working Directory\test.txt").ToList();
Dictionary<string, string> vars = new Dictionary<string, string>();
foreach( string line in contents ) {
    string[] parts = line.Split(new char[] {'='}, StringSplitOptions.RemoveEmptyEntries);
    string key = parts[0].Substring(4).Trim();
    string value = parts[1].Replace("'", "").Trim();
    vars.Add ( key, value );
}

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To read each line and gives the var the value in a string variable of similar items like:

var p1='Question 1'
var a1a='Answer1 1'
var a1b='Answer1 2'
var a1c='Answer1 3'
var a1d='Answer1 4'
var e1a='Incorrect'
var e1b='Incorrect'
var e1c='Incorrect'
var e1d='Correct'

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I tested and after your "vars.Add(key, value);" I added for example one supposed created variable respe1.Text = e1d; and e11d does not have any value but if I check "key" and "value" both have values. Then how could you update the key and value to obtain the key the value like a variable? In other words like example make something like e1d="Correct" if entered manually.  Maybe after vars.Add requires an update or something?