FromHeader Asp.NET Core binding to default value
I am testing an Asp.Net WebApi core with the following basic controller:
[Route("test")]
public class TestController
{
[Route("mult")]
[HttpGet]
public int Multiply(int x, int y)
{
return x * y;
}
}
Then in Fiddler I send the following request:
And for some reason the answer is 0. When you enter the method, the values x
and y
are associated with the default integer value.
I also tried:
[Route("test")]
public class TestController
{
[Route("mult")]
[HttpGet]
public int Multiply([FromHeader]int x, [FromHeader]int y)
{
return x * y;
}
}
But the result is the same. What am I doing wrong?
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accept string
not int
, so your code should be
[Route("test")]
public class TestController
{
[Route("mult")]
[HttpGet]
public int Multiply([FromHeader]string x, [FromHeader]string y)
{
return Int32.Parse(x) * Int32.Parse(y);
}
}
you need to get the values x
and y
in string
and convert them toint
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Apparently, it was initially assumed that this would not be needed, and they are waiting for feedback. However, it looks like it will probably be at 2.1.0 according to issue 5859 .
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