Cant figure out why this will not debug

View Tools P assignment 3 De nile 0. Edit 3 Project Build Debug Test Analyze 2-5 - Detsuy - Any CPU Extensions Window assignment ) - Help 0 Search (Cul-a) 32 -ax Live Share & 8 Solution Explorer X Search Solution Explorer (Ctrl + P Solution assignment 3' (1 of 1 project) R assignment 3 D Dependencies D VB Program.vt Programvb x ve assignment 3 Form1 - calcButton Click Deuble click the button and write below code to find the letter grade Orerences Private Sub calcButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CalcButton.click declare #lettergrade # character data type Din lettergrade As Char Din score As Integer "Get score value from the text box and convert to integer type Int32. TryParse(scoreTextBox. Text, score) checking grade letter of score value If score - 9e then lettergrade = "A" Elself score Then lettererade - "B" ElseIl score ( 80 And score >= 7 Then lettererade - "C" ElseIf score = 60 Then lettergrade = "D" ElseIf score = 52 Then lettergrade = "F" End If "Set the lettergrade to label2 text as below Labe12. Text - "The student's assigned grade is : "&lettergrade End Sub End Class Solution Explorer Team Explorer Properties 100% - Lc 24 Ch: 10 SPC CRLF Error List Entire Solution - 3 Errors A Warnings of 1 Message My Build + IntelliSense - Code Description * RC30506 Handles clause requires a WithEvents variable defined in the containing type or one of its base types > BC30451 'scorelextHox' is not declared. It may be inaccessible due to its protection level. X 1C30451 Label' is not declared. It may be inaccessible due to its protection level. Search Error List Line Suppression State Project assignment 3 assignment 3 assignment 3 Program.vt Program.vb Program.Vb 22 A Visual Studio 2019 update Version 164.4 is downloaded and ready to install View details Error List Output Ready + Add to Source Control