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Converting String to Int causes FormatException


Converting String to Int causes FormatException

By : user2949280
Date : November 16 2020, 06:23 AM
fixed the issue. Will look into that further 33.7 is a decimal value, Int32 only does integers. Use Convert.ToDouble/double.Parse to get a floating point value:
code :
double value = double.Parse( p2 );
int value = (int)double.Parse( p2 );


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Why do I get a FormatException when converting a string to a float?

Why do I get a FormatException when converting a string to a float?


By : user2932737
Date : March 29 2020, 07:55 AM
it should still fix some issue The single argument Parse method uses the current culture to parse the string. If your current culture uses some other decimal separator, this will fail.
Try using the invariant culture:
code :
float.Parse("6.59", CultureInfo.InvariantCulture)
FormatException while converting string to DateTime

FormatException while converting string to DateTime


By : Arifilas Cah Singkel
Date : March 29 2020, 07:55 AM
it helps some times My task is to retrieve data from XML file. Every node in XML file contains date and time. To read and convert it I'm using the following: , Look at your format pattern:
code :
"dd/MM/yyyy hh:mm:ss"
Converting a String to a Date -> FormatException

Converting a String to a Date -> FormatException


By : Deven Gupta
Date : March 29 2020, 07:55 AM
it should still fix some issue Im desperately trying to convert the following String to a Date. I did research on how to do this, but was not able to do it successfully. , Custom format strings are case-sensitive. Try:
code :
DateTime.ParseExact(sStartDatum, "dd.MM.yy HH:mm:ss", New Globalization.CultureInfo("en-US")`
FormatException, converting a string to a long

FormatException, converting a string to a long


By : swbca
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I'm afraid that your code works fine. It must be that the "temp" variable is string.Empty or whitespace.
I created an XmlDocument (from XDocument, sorry. I think it's a lot easier to work with) that looks like what you're targeting and ran your code. It runs fine and gives a proper value:
code :
var xDoc = new XDocument(
            new XDeclaration("1.0", "UTF-8", "no"),
            new XElement("root",
                new XElement("account",
                    new XElement("systemInfo",
                        new XElement("dskInfo",
                            new XElement("dskInterface",
                                new XElement("size", 53999759360)))))));

var doc = new XmlDocument();
using (var xmlReader = xDoc.CreateReader())
{
    doc.Load(xmlReader);
}


XmlNodeList accountList = doc.GetElementsByTagName("account");

foreach (XmlNode node in accountList)
{
    XmlElement accountElement = (XmlElement)node;

    foreach (XmlElement dskInterface in node.SelectNodes("systemInfo/dskInfo/dskInterface"))
    {
        String temp = (dskInterface["size"].InnerText).ToString();
        long iasdas = Convert.ToInt64(temp) / 1024; // Error Happens here
    }
}
Convert.ToInt64(null); // Doesn't crash
Convert.ToInt64(string.Empty); // Crashes
Convert.ToInt64(""); // Will crash if you comment the line above
Convert.ToInt64(" "); // Will crash if you comment the lines above
System.FormatException : Input string was not in a correct format ,on converting string to decimal.

System.FormatException : Input string was not in a correct format ,on converting string to decimal.


By : Thota Pavan
Date : March 29 2020, 07:55 AM
Hope this helps Try using "0,85" instead of "0.85". I think you can use the dot decimal if you change culture. Here is some more information: How to change symbol for decimal point in double.ToString()?
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