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Monday, June 30, 2008

C# String.Format - Input string was not in a correct format Error

Error message: Input string was not in a correct format Error when i try to use String.Format in C#.

below are the code that have problem

info = string.Format("{\"name\":\"{0}\",\"img\":\"{1}\",\"href\":\"{2}\"}", Username, PhotoUrl, UserId);

try to figure out here and there and finally found the problem and solution. It's caused by both { and }.

To solve this problem, change
{ to {{ and } to }}. It will become

info = string.Format("{{\"name\":\"{0}\",\"img\":\"{1}\",\"href\":\"{2}\"}}", Username, PhotoUrl, UserId);

problem solved!

3 comments:

Unknown said...

hi

var queryString = string.Format("filename={0}&filestream={1}&append={2)", fileName, Convert.ToBase64String(b, 0, bytesRead).ToString(), 1);

above line of code giving error 'Input string was not in a correct format.' can any one help me why this is happening .

Unknown said...

hi

var queryString = string.Format("filename={0}&filestream={1}&append={2)", fileName, Convert.ToBase64String(b, 0, bytesRead).ToString(), 1);

above line of code giving error 'Input string was not in a correct format.' can any one help me why this is happening .

ZathrasOne said...

You are using a ')' instead of a '}' for the closing brace of your 3 parameter (#2). i.e., you have "{2)" instead of "{2}".