Re: work with webBrowser properties? - C# Discussion Boards

14-Jul-09 10:16

hi friends
i want to use a one richtextbox and one webbrowser instead of a html/text editor because i dednt find any editor control that can be used in windows application,
i try to change "DocumentText" property of webBrowser control and set it with richtextbox value when user press specify button but in first time below code works correctly but in next times this property of webBrowser has not changed!!! do u know why? please tell me the solution
webBrowser1.DocumentText = richTextBox1.Text;

nobody help you...
you have to help you yourself
and this is success way.

Adam R Harris14-Jul-09 10:26

14-Jul-09 10:26

Hello Mr. Mohsen,

I replied to your original post.

but you should use the WebBrowser.Document.Body.InnerHtml to set the HTML of the document.

mr.mohsen14-Jul-09 10:39

14-Jul-09 10:39

oh no man i test your code and the result is like previouse code
in other hand both code have same result and in first time work correctly and in next times does not work
please check it to understand the problem
thank you

nobody help you...
you have to help you yourself
and this is success way.

Adam R Harris14-Jul-09 10:51

14-Jul-09 10:51

This is very strange because i just created a new project and am not experiencing your issue.

here is the sample code from my windows forms test.

public class Form1 : Form<br />
    {<br />
<br />
/// <summary><br />
        /// Required designer variable.<br />
        /// </summary><br />
        private System.ComponentModel.IContainer components = null;<br />
<br />
        /// <summary><br />
        /// Clean up any resources being used.<br />
        /// </summary><br />
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param><br />
        protected override void Dispose(bool disposing)<br />
        {<br />
            if (disposing && (components != null))<br />
            {<br />
                components.Dispose();<br />
            }<br />
            base.Dispose(disposing);<br />
        }<br />
<br />
        #region Windows Form Designer generated code<br />
<br />
        /// <summary><br />
        /// Required method for Designer support - do not modify<br />
        /// the contents of this method with the code editor.<br />
        /// </summary><br />
        private void InitializeComponent()<br />
        {<br />
            this.webBrowser1 = new System.Windows.Forms.WebBrowser();<br />
            this.button1 = new System.Windows.Forms.Button();<br />
            this.textBox1 = new System.Windows.Forms.TextBox();<br />
            this.button2 = new System.Windows.Forms.Button();<br />
            this.SuspendLayout();<br />
            // <br />
            // webBrowser1<br />
            // <br />
            this.webBrowser1.Dock = System.Windows.Forms.DockStyle.Bottom;<br />
            this.webBrowser1.Location = new System.Drawing.Point(0, 127);<br />
            this.webBrowser1.MinimumSize = new System.Drawing.Size(20, 20);<br />
            this.webBrowser1.Name = "webBrowser1";<br />
            this.webBrowser1.Size = new System.Drawing.Size(461, 257);<br />
            this.webBrowser1.TabIndex = 0;<br />
            // <br />
            // button1<br />
            // <br />
            this.button1.Dock = System.Windows.Forms.DockStyle.Top;<br />
            this.button1.Location = new System.Drawing.Point(0, 0);<br />
            this.button1.Name = "button1";<br />
            this.button1.Size = new System.Drawing.Size(461, 23);<br />
            this.button1.TabIndex = 1;<br />
            this.button1.Text = "button1";<br />
            this.button1.UseVisualStyleBackColor = true;<br />
            this.button1.Click += new System.EventHandler(this.button1_Click);<br />
            // <br />
            // textBox1<br />
            // <br />
            this.textBox1.Location = new System.Drawing.Point(22, 30);<br />
            this.textBox1.Name = "textBox1";<br />
            this.textBox1.Size = new System.Drawing.Size(377, 20);<br />
            this.textBox1.TabIndex = 2;<br />
            // <br />
            // button2<br />
            // <br />
            this.button2.Location = new System.Drawing.Point(0, 56);<br />
            this.button2.Name = "button2";<br />
            this.button2.Size = new System.Drawing.Size(461, 23);<br />
            this.button2.TabIndex = 3;<br />
            this.button2.Text = "button2";<br />
            this.button2.UseVisualStyleBackColor = true;<br />
            this.button2.Click += new System.EventHandler(this.button2_Click);<br />
            // <br />
            // Form1<br />
            // <br />
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);<br />
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;<br />
            this.ClientSize = new System.Drawing.Size(461, 384);<br />
            this.Controls.Add(this.button2);<br />
            this.Controls.Add(this.textBox1);<br />
            this.Controls.Add(this.button1);<br />
            this.Controls.Add(this.webBrowser1);<br />
            this.Name = "Form1";<br />
            this.Text = "Form1";<br />
            this.Load += new System.EventHandler(this.Form1_Load);<br />
            this.ResumeLayout(false);<br />
            this.PerformLayout();<br />
<br />
        }<br />
<br />
        #endregion<br />
<br />
        private System.Windows.Forms.WebBrowser webBrowser1;<br />
        private System.Windows.Forms.Button button1;<br />
        private System.Windows.Forms.TextBox textBox1;<br />
        private System.Windows.Forms.Button button2;<br />
<br />
<br />
        public Form1()<br />
        {<br />
            InitializeComponent();<br />
        }<br />
<br />
        private void Form1_Load(object sender, EventArgs e)<br />
        {<br />
            this.webBrowser1.Navigate("about:blank");<br />
        }<br />
<br />
        private void button1_Click(object sender, EventArgs e)<br />
        {<br />
            this.webBrowser1.Document.Body.InnerHtml += "<br />Clicked!";<br />
        }<br />
<br />
        private void button2_Click(object sender, EventArgs e)<br />
        {<br />
            this.webBrowser1.Document.Body.InnerHtml += "<br />" + this.textBox1.Text;<br />
        }<br />
    }

All i did was add the WebBrowser control the form, i then added 2 buttons and a textbox.
when the user clicks the button "Clicked!" is appended to the text when they click the other button the text in the text box is inserted.

If you want to test it just add a new class your existing project and paste all the sample code in there then set it as your startup object.

mr.mohsen14-Jul-09 20:19

14-Jul-09 20:19

thank you my friend
your code work correctly
the problem is i didnt call navigate methode of webBrowser with about:blank value parameter
thank you very mutch

nobody help you...
you have to help you yourself
and this is success way.

Adam R Harris14-Jul-09 20:28

RegEx not finding matches ... but it should

14-Jul-09 20:28

Guess I should have mentioned that.
Well good to hear you got it working.

Adam R Harris14-Jul-09 9:46

14-Jul-09 9:46

Hey All,

I am experiencing a strange issue, i have built and tested my RegEx in Expresso but when I call it from my code (C#) I am not getting any matches. If i step through and grab the values from the variables and put those in Expresso it works ....

RegEx:

Lead\sID\sNumber:\s*(?<LeadNumber>[^\r\n]*)(?:\r\n)+<br />
Prospect\sName:.*(?:\r\n)+<br />
Prospect\sContact:.*(?:\r\n)+<br />
Prospect\sPhone:.*(?:\r\n)+<br />
Marketing\sCampaign:.*(?:\r\n)+<br />
Prospect\sInformation:\s*(?:\r\n)+<br />
===============\s(?:\r\n)+<br />
(?<Company>[^\r\n]*)(?:\r\n)+<br />
(?<Address1>[^,]*),\s(?<Address2>[^\r\n]*)(?:\r\n)+<br />
(?<City>[^,]*),\s(?<State>[^\r\n]*)(?:\r\n)+<br />
(?<Country>[^,]*),\s(?<Zip>[^\r\n]*)(?:\r\n)+<br />
Contact\sName:\s*(?<FirstName>[^\s]*)\s(?<LastName>[^\r\n]*)(?:\r\n)+<br />
Contact\sPhone:\s*(?<Phone>[^\r\n]*)(?:\r\n)+

C#:

<br />
MatchCollection myMatches = Regex.Matches([Text], [RegEx], RegexOptions.Multiline | RegexOptions.IgnoreCase | RegexOptions.Compiled | RegexOptions.IgnorePatternWhitespace | RegexOptions.CultureInvariant);<br />

[Text] = the body of an email
[RegEx] = the above pattern

Any input or ideas would be greatly appreciated.

dan!sh 14-Jul-09 19:53

dan!sh

14-Jul-09 19:53

If you can provide some sample text that this Regex should match, it might help.

Adam R Harris14-Jul-09 19:59

14-Jul-09 19:59

Thank you for you reply,

Here is a sample of the text to match.

<br />
Lead Overview: <br />
=========== <br />
Lead ID Number:         1234567 <br />
Prospect Name:          Some Prospect<br />
Prospect Contact:       Some Contact<br />
Prospect Phone:         1234567890 <br />
<br />
Marketing Campaign:     Marketing Campaign Example<br />
<br />
Prospect Information: <br />
=============== <br />
Company Name<br />
Address1, Address2 <br />
New York, NY <br />
United States, 12345 <br />
<br />
Contact Name:   Some Contact <br />
Contact Phone:  1234567890 <br />
Company Email:  contact@email.com <br />

dan!sh 14-Jul-09 22:30

dan!sh

14-Jul-09 22:30

Your regex works fine. It is finding the match.

string sMatch = @" Lead Overview: 
=========== 
Lead ID Number: 1234567 
Prospect Name: Some Prospect
Prospect Contact: Some Contact
Prospect Phone: 1234567890 

Marketing Campaign: Marketing Campaign Example

Prospect Information: 
=============== 
Company Name
Address1, Address2 
New York, NY 
United States, 12345 

Contact Name: Some Contact 
Contact Phone: 1234567890 
Company Email: contact@email.com";

bool IsMatchFound = Regex.IsMatch(sMatch, @"Lead\sID\sNumber:\s*(?<LeadNumber>[^\r\n]*)(?:\r\n)+Prospect\sName:.*(?:\r\n)+Prospect\sContact:.*(?:\r\n)+Prospect\sPhone:.*(?:\r\n)+Marketing\sCampaign:.*(?:\r\n)+Prospect\sInformation:\s*(?:\r\n)+===============\s(?:\r\n)+(?<Company>[^\r\n]*)(?:\r\n)+(?<Address1>[^,]*),\s(?<Address2>[^\r\n]*)(?:\r\n)+(?<City>[^,]*),\s(?<State>[^\r\n]*)(?:\r\n)+(?<Country>[^,]*),\s(?<Zip>[^\r\n]*)(?:\r\n)+Contact\sName:\s*(?<FirstName>[^\s]*)\s(?<LastName>[^\r\n]*)(?:\r\n)+Contact\sPhone:\s*(?<Phone>[^\r\n]*)(?:\r\n)+");

Adam R Harris15-Jul-09 7:36

15-Jul-09 7:36

Hello D@nish,

First of all i would like to thank both you and Riced.

I have found the solution to my problem and its still kinda strange.

There was actually two problems;

for some strange reason I cant declare my RegEx string using a literal (using @ when assiging the string) if the literal spans multiple lines, for some reason this is messing with my RegEx.
Which is why i guess in your example its working.
the emails are being retrieved from Exchange via WebDAV and for some strange reason line breaks are only coming back as '\n' not '\r\n' like they should. So if I do a .Replace("\n","\r\n") on the body everything works fine.
I guess this wasnt a problem for your in your example because the email body was assigned as a literal and therefore had the "proper" line breaks (\r\n)

Thanks again for your help guys, i never would have found this without your help.

If at first you don't succeed ... post it on The Code Project and Pray.

dan!sh 15-Jul-09 8:25

dan!sh

15-Jul-09 8:25

Great!!!

Gideon Engelberth16-Jul-09 4:25

Gideon Engelberth

16-Jul-09 4:25

Instead of doing a string.Replace, you could also change (?:\r\n)+ to [\r\n]+, which should match any kind of newline

riced14-Jul-09 21:15

riced

14-Jul-09 21:15

I assume that you are setting some variable (e.g. myRE) to the regex string.
Are you using a verbatim string i.e. myRE = @"Lead....(\r\n)+" or just doing myRE = "Lead...(\r\n)+"?
I think it should be a verbatim string otherwise \ is interpreted before Regex.Matches sees it.

Regards
David R
---------------------------------------------------------------
"Every program eventually becomes rococo, and then rubble." - Alan Perlis

Adam R Harris14-Jul-09 21:54

14-Jul-09 21:54

Thank you for your reply.

Yes it is "Verbatum" assinged using @

If at first you don't succeed ... post it on The Code Project and Pray.

riced14-Jul-09 22:10

riced

14-Jul-09 22:10

Just noticed that there's no test for "===========" after the Lead line.
Is that the problem?

Regards
David R
---------------------------------------------------------------
"Every program eventually becomes rococo, and then rubble." - Alan Perlis

Adam R Harris15-Jul-09 7:24

i need an editor control for windows application(C#), do u have? or any idea...

15-Jul-09 7:24

Hi David,

You are right, nice catch.
However that shouldn't effect the matching.

Now I did solve my problem, look above for the solution.

Thanks for your help.

If at first you don't succeed ... post it on The Code Project and Pray.

mr.mohsen14-Jul-09 9:31

Re: i need an editor control for windows application(C#), do u have? or any idea...

14-Jul-09 9:31

hi friends
i need a html editor for my application
but i didnt find. i have some editor base on web application but no one can use in windows application
do u know a html editor that can use in c# application(windows base)?
please help me

nobody help you...
you have to help you yourself
and this is success way.

Rajdeep.NET14-Jul-09 9:39

Rajdeep.NET

14-Jul-09 9:39

Do you want to create html file or HTML help files with .chm extension? Please verify that!

I calculate my days on earth..... approximately 55 years remaining for me to expire Wink | ;-)

Re: i need an editor control for windows application(C#), do u have? or any idea...

Adam R Harris14-Jul-09 9:53