[Solved] LINQ Operator ‘==’ cannot be applied to operands of type ‘char’ and ‘string’

by

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you’re comparing string and char type

replace

where r1[4] == "I" / where r1[4] == "O"

with

where r1[4] == 'I' / where r1[4] == 'O'

3

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solved LINQ Operator ‘==’ cannot be applied to operands of type ‘char’ and ‘string’