Have the form but not the code for sending it to email

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C#

forms

I am jusing Microsoft Visual Studios with aspx and c#.

I have made form:

<form action="Form()" method="post">
    <fieldset id="fieldset"><legend>Concact me</legend>
    <label for="name">Name:</label>
    <input type="text" name="name" id="txtName" required placeholder="Name" />

    <label for="email">Email:</label>
    <input type="email" name="email" id="txtEmail" required placeholder="email@eksempel.com" />

    <label for="message">Message:</label>
    <textarea name="melding" id="txtMessage" required placeholder="Melding"></textarea>

    <input type="submit" value="Send" />
    <input type="reset" value="Empty" />
    </fieldset>
        </form>

But I have no idea have to send this to my e-mail adress. I have tried to search on internett, but with no good results.

Could someone please help me?