C# – Send an email with a HTML file as body (C#)

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How can I set the MailMessage's body with a HTML file ?

Best Answer

Just set the MailMessage.BodyFormat property to MailFormat.Html, and then dump the contents of your html file to the MailMessage.Body property:

using (StreamReader reader = File.OpenText(htmlFilePath)) // Path to your 
{                                                         // HTML file
    MailMessage myMail = new MailMessage();
    myMail.From = "from@microsoft.com";
    myMail.To = "to@microsoft.com";
    myMail.Subject = "HTML Message";
    myMail.BodyFormat = MailFormat.Html;

    myMail.Body = reader.ReadToEnd();  // Load the content from your file...
    //...
}

Related Solutions

C# – How to cast int to enum

From an int:

YourEnum foo = (YourEnum)yourInt;

From a string:

YourEnum foo = (YourEnum) Enum.Parse(typeof(YourEnum), yourString);

// The foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) && !foo.ToString().Contains(","))
{
    throw new InvalidOperationException($"{yourString} is not an underlying value of the YourEnum enumeration.")
}

Update:

From number you can also

YourEnum foo = (YourEnum)Enum.ToObject(typeof(YourEnum) , yourInt);

C# – the best way to give a C# auto-property an initial value

In C# 5 and earlier, to give auto implemented properties an initial value, you have to do it in a constructor.

Since C# 6.0, you can specify initial value in-line. The syntax is:

public int X { get; set; } = x; // C# 6 or higher

DefaultValueAttribute is intended to be used by the VS designer (or any other consumer) to specify a default value, not an initial value. (Even if in designed object, initial value is the default value).

At compile time DefaultValueAttribute will not impact the generated IL and it will not be read to initialize the property to that value (see DefaultValue attribute is not working with my Auto Property).

Example of attributes that impact the IL are ThreadStaticAttribute, CallerMemberNameAttribute, ...

Best Answer

Related Solutions

C# – How to cast int to enum

C# – the best way to give a C# auto-property an initial value

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