how to use formating in richtextbox..

[raj231362]

hello all, actually i am working on richtextbox control in window application. i have a problem in font class. because i want to show rtf file paragraph in para for

<\p>, for bold paragrpah**<\b>, For ITalic Paragrph_,<\I>. so, how here i am use font class to generate such tag with every paragrph. my code is here,plz help me ...??? richTextBox1.LoadFile(filepath,RichTextBoxStreamType.RichText); string inputstring = richTextBox1.Text; StringBuilder sb =newStringBuilder(inputstring); //string xx = inputstring; //string yy = xx.Replace("", ""); sb.Insert(0, "<p>"); //string yy = xx.Replace("", ""); //sb.Replace("<p>", ""); //int num = 0; // sb.Replace("<p>" //Random rand = new Random(3); string rt = "" ; for (int i = 0; i < 10; i++) { rt = i.ToString(); } //sb.Insert(0, "<p local_id = P-" + rt + ">"); sb.Replace("\n", "</p>" + "\n" + "<p>"); //sb.Replace("<p local_id = P-" + rt + ">" +"</p>", ""); //sb.Append("</p>"); //sb.Replace("<p local_id = P-" + rt + ">" + "</p>", ""); sb.Replace("\n\n", "\n"); sb.Replace("\n\n", "\n"); sb.Replace("\n\n", "\n"); sb.Replace("\n\n", "\n"); sb.Replace("\n\n", "\n"); sb.Replace("\n\n", "\n"); int p=0; string xx = sb.ToString (); int ppara = 0; ppara = xx.IndexOf("<p>", 0); while (ppara!= -1) { p = p+1; string f1 = Convert.ToString(p); f1.ToString().PadLeft(3); xx = xx.Remove(ppara, 3); xx = xx.Insert(ppara, "<p local-id=\"p-" + p + "\">"); ppara = xx.IndexOf("<p>", ppara+3); } richTextBox1.Text = xx.ToString(); } //} catch (Exception ex) { MessageBox.Show(ex.Message); } }_**

[sph3rex]

use RichTextBox.Select(int start, int lengthofselection) and then apply the style you want to selection using RichTextBox.SelectionFont property

[raj231362]

thanks for ur warm response... when applied this its not working prperly... code is:- while (ppara <= xx.Length) { int postspace = xx.IndexOf("", 0); if (postspace != -1) { string word = xx.Substring(x, postspace); richText.Select(x, postspace); richTextBox1.SelectionFont.Bold; xx = xx.Insert(ppara, "

"); } } help me for code.....

[sph3rex]

int postspace = xx.IndexOf("", 0); is equivalent to int postspace = xx.IndexOf(String.Empty, 0); which doesn't make too much sense ... if you're looking for the first occurence of a space use int postspace = xx.IndexOf(" ", 0);

[raj231362]

hello, here i want to read every character while space. when new word come again then he read continue..if any character is bold and italic he show in richtextbox with sequence no... i am new in C# dot net.so plz provide me some specific code related to it.