How to check no contains ( ) brackets

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HI Iam getting a number in this format "(8,000)" so when iam checking with convert.todouble it is throwing error .so how can i check if the number contains () then i dont want to check how can i validate this

Thanks in advance

Posted 4-Jan-12 0:01am

lakshmichawala

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koolprasad2003 · Answer 1 · 2012-01-04T00:06:00

You can use Javascript. call this following function on onblur event of textbox. here is javascript function

C#

if(!(document.getElementById(txtBox).value-indexOf("(")== "-1" || document.getElementById(txtBox).value-indexOf(")")== "-1" ))
{
  alert("Brackets are not allowed");
  return false;
}