Zoom in from client side

string myString = "Your input string here"
string myHexString = Convert.ToInt32(myString).ToString("x");

// Store integer 182
int decValue = 182;
// Convert integer 182 as a hex in a string variable
string hexValue = decValue.ToString("X");
// Convert the hex string back to the number
int decAgain = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber);

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In the above example we convert the decimal stored in the int variable named decValue and store it in a string variable named hexValue.
Then we convert the hex value stored as a string in the hexValue variable and store it in the variable named decAgain.

function zoomin(){

if(parent.parent.document.body.style.zoom!=0)

parent.parent.document.body.style.zoom*=1.2;

else

parent.parent.document.body.style.zoom=1.2;

}