C# code to count number of lines in textbox ?

Question

C# code to count number of lines in text box ?

 

 string strtext = textbox1.text;

strtext = strtext.Replace('\r', '\n').Trim();

rslt = 0;

foreach (string s in strtext.Split('\n'))

rslt++;

txtline.Text = rslt.ToString();

 

 

I tried that above.. but wrap lines of text box is not included with in count??

Thanks in Advance