how to write decimal value greater than zero

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C#

Haiiiii

I want to check decimal vlaue is greater than zero. please help me

Posted 14-Oct-13 23:55pm

MANI 14

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Khandwawala Hatim 15-Oct-13 5:59am

where do you want to check it. i mean at server side or in Regular expression

Ankur^\m/ 15-Oct-13 6:09am

what's wrong with if (variableName > 0) ?

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Simon_Whale · Answer 1 · 2013-10-15T00:04:00

C#

1. assuming that the value I am checking is a decimal Type
decimal valueToCheck = 1;
if(valueToCheck > 0)
{
 //do greater alert here
}
else
{
 //do less than alter here
}


2. assuming that the value I am checking is a string type
string valueToCheck = "1";
decimal value;
if(decimal.TryParse(valueToCheck, out value) == true)
{
  if(value > 0)
  {
    //do greater alert here
  }
  else
  {
   //do less alert here
  }
}
else
{
 //not a valid decimal type alert
}

As this is a very simple question I would also suggest that you get a reference book on C# and have a look at the msdn beginner center[^]

CodeBlack · Answer 2 · 2013-10-15T00:07:00

There are two ways to achieve this. 1. Directly from Code Behind 2. Using Regular Expressions

1. Using Code Behind :

C#

if (decimalValue > 0)
{
 // Do your work
}

2. Using Regular expression :

XML

<asp:TextBox runat="server" ID="textDecimal" ></asp:TextBox>
            <asp:RegularExpressionValidator runat="server" ID="rexDecimal" ValidationExpression="^\s*(?=.*[1-9])\d*(?:\.\d{1,5})?\s*$" ControlToValidate="textDecimal" ErrorMessage="Invalid"></asp:RegularExpressionValidator>

how to write decimal value greater than zero

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