Index 0 out of range. String index out of range. индекс вне диапазона. имя параметра индекс. index was out of range. must be non-negative and less than the size of the collection. parameter name: index.

Index 0 out of range. String index out of range. индекс вне диапазона. имя параметра индекс. index was out of range. must be non-negative and less than the size of the collection. parameter name: index.