Non-invocable member cannot be used like a method

Question

I am trying to rewrite a VB function into C#, but I'm getting the following error:

Error 1 Non-invocable member 'System.DateTime.Today' cannot be used like a method. C:\Documents and Settings\daultrd\Local Settings\Temp\SSIS\ST_ceaa126ff88343ccbfdc6dd27d8de1a7\ScriptMain.cs 56 67 ST_ceaa126ff88343ccbfdc6dd27d8de1a7

And the offending line:

strTomorrow = Convert.ToString(String.Format(DateTime.Today().AddDays(+1), "yyyyMMdd"));   

How can I fix this? Thanks guys; you are super quick! And all of u said about the same thing. So I removed the parenthesis but now I get a different error:

Error 1 The best overloaded method match for 'string.Format (System.IFormatProvider, string, params object[])' has some invalid arguments C:\Documents and Settings\daultrd\Local Settings\Temp\SSIS\2e23c9f006d64c249adb3d3a2e597591\ScriptMain.cs 56 44 st_ceaa126ff88343ccbfdc6dd27d8de1a7

And here is this line of code:

strTomorrow = Convert.ToString(String.Format(DateTime.Today.AddDays(+1), "yyyyMMdd"));   //Strings.Format(DateAndTime.Today().AddDays(+1), "yyyyMMdd"));

Solution 1

strTomorrow = DateTime.Today.AddDays(1).ToString("yyyyMMdd");

• String.Format always returns a string, there's no need to convert the result to a string
• String.Format does not accept a DateTime as its first argument. The easiest way to convert a DateTime to a string in a specific format is to call DateTime.ToString and pass the format as an argument

Solution 2

Today is a property so you shouldn't add parentheses. You also have the arguments to string.Format incorrect.

strTomorrow = String.Format("{0:yyyyMMdd}", DateTime.Today.AddDays(+1));

Solution 3

DateTime.Today is a property, not a method. Remove the parantheses.

Solution 4

Change DateTime.Today().AddDays(1) to DateTime.Today.AddDays(1)

Today is a property, not a method.

View more solutions

Comments

[Lasse V. Karlsen]

Your first reaction to any such problem should always be to check the documentation.

[salvationishere]

Error 1 The best overloaded method match for 'string.Format(System.IFormatProvider, string, params object[])' has some invalid arguments C:\Documents and Settings\daultrd\Local Settings\Temp\SSIS\2e23c9f006d64c249adb3d3a2e597591\ScriptMa‌​in.cs 56 44 st_ceaa1‌​26ff88343ccbfdc6dd27‌​d8de1a7

[salvationishere]

Awesome! Thanks so much, Tom! You are a superstar.

[Tom Vervoort]

Not really, but I'm glad to help you out :-)