TryParse Invalid Arguments

I am trying to run a NUnit test searching for numbers within a string. I'm using TryParse but it gave me a this error: Error1: The best overloaded method match for 'int.TryParse(string, out int)' has some invalid arguments.

Could you guys tell me what I'm doing wrong?

[Test]
public void ThenSearchForBrittanyShouldFindOneUser()
{
    var searchresult = LuceneFullTextSearch.SuggestSimilar("brit123", 1).ToArray();


    int num = 0;
    foreach (var result in searchresult)
    {

        if (result = int.TryParse(searchresult, out num))
        {
            searchresult.ShouldNotBeEmpty();
            searchresult.ShouldContain("Brittany");
            searchresult.Should().Count.NoMoreThan(1);
        }
        else
        {
            searchresult.ShouldNotBeEmpty();
            searchresult.Equals(num);

searchresult is an array, not a string; you want result there instead.

Also, you can't have an assignment in an if conditional, so your syntax is wrong anyway. TryParse already returns a bool, so you should try:

    if (int.TryParse(result, out num))
    {
         ...

使用

if (int.TryParse(result, out num))
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