how to find a specific word in each click line by line in text box

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Hi i have a two text box one is multi line text box as "txtshowfile" and another text box is "txtsearch". Suppose In txtshowfile there are 10 sentences written in line by line now i wrote a word in txtsearch box and click a button event event so i want in
txtshow file if the word is found then specific word is highlighted and if in a line one or more words are found then all are highlighted.
Please help me out.

Thanks in Advance.

Posted 26-Jan-12 22:12pm

mayankshrivastava

Updated 28-Jan-12 1:41am

v2

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BillWoodruff 28-Jan-12 10:55am

Appears to be an exact duplicate of a question asked yesterday by "soothingshruti:" http://www.codeproject.com/Answers/320694/how-to-find-a-specif-word-in-a-richtext-box-libe-b#answer2

You both in the same class ? :)

2 solutions

Solution 1

If you take any editor as like FCKD editor then u can get that kind of feature/
or if u want to highligh on the Lebel text then also possible

..i dont know text box has such kind of feature

Posted 26-Jan-12 22:21pm

Sudip Saha

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mayankshrivastava 27-Jan-12 4:34am

it is possible from rich text box ?

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mayankshrivastava · Accepted Answer · 2012-01-28T01:39:00

C#

string search = txtsearchgerman.Text;
                if (i > 0)
                {
                    gerendindex = gerendindex + rtbgermanfile.Lines[k].Length + 1;
                }
                while (m != -1)
                {
                    m = rtbgermanfile.Lines[i].IndexOf(search, m);
                    if (m != -1)
                    {
                        if (i == 0)
                        {
                            rtbgermanfile.SelectionStart = m;
                            rtbgermanfile.SelectionLength = search.Length;
                            rtbgermanfile.SelectionColor = Color.Red;
                            m = m + search.Length;
                            flag1++;
                        }
                        else
                        {
                            rtbgermanfile.SelectionStart = m + gerendindex;
                            rtbgermanfile.SelectionLength = search.Length;
                            rtbgermanfile.SelectionColor = Color.Red;
                            m = m + search.Length;
                            flag1++;
                        }
                    }
                }