C #: webbrowser framework webpage-assignment-Click Event-assignment in the drop-down box of the Framework webpage

Net Framework web pages automatically insert data, some information collected online

FirstWebbrowser webpage Loading

This . Webbrowser1.url =   New System. Uri ( " URL " , System. urikind. Absolute );

Assign a value to a text box that is generally not in a frame webpage Webbrowser1.document. getelementbyid ( " Text Box ID " ). Innertext =   " Weiling " ; // The value of the text box is assigned by ID.
Or:This. webbrowser1.document. All [" Text Box Name "]. Setattribute (" Value "," 0924 ");//The value of the text box is assigned by name.

Form submission can also be considered as a click event Htmlelement form=Webbrowser1.document. getelementbyid ("Formid");//Submit Form
Form. invokemember ("Submit");

Text in the framework webpage This box Assign value ," Framemain "Is framework Na Me Webbrowser1.document. Window. Frames [ " Framemain " ]. Document. getelementbyid ( " Txtxingming " ). Innertext =   " 521656 " ; // Framework Assignment
Note:Framemain is the framework name.

Frame webpage drop-down list Assignment Htmldocument Doc = Webbrowser1.document. Window. Frames [ " Framemain " ]. Document; // Frame drop-down box assignment
Htmlelement el = Doc. getelementbyid ( " Drpxingbie " );
El. setattribute ( " Selectedindex " , " 1 " );

 

Frame webpageText BoxAssignment
Code

Htmlelement tbuserid = Webbrowser1.document. Window. Frames [ 0 ]. Document. All [ " Username " ];
Tbuserid. setattribute ( " Value " , " K221 " );

htmlelement tbpasswd = webbrowser1.document. window. frames [ 0 ]. document. all [ " passwd " ];
tbpasswd. setattribute ( " value " , " 33311 " );

Htmldocument htmldoc = Webbrowser1.document. Window. Frames [ 0 ]. Document;
Foreach (Htmlelement H In Htmldoc. All)
{
If (H. getattribute ( " Type " ). Tostring () =   " Submit " )
{
If (H. getattribute ( " Value " ). Tostring () =   " OK " )
{
H. invokemember ( " Click " );
Break ;
}
}
}

 

 

Obtain the HTML page content in the framework

1. Get the source file of the frame.

MessageBox. Show (webbrowser1.document. Window. Frames ["Main"]. Document. Body. innerhtml );

2. Obtain the htmldocument interface of the frame.

Htmldocument Doc = (htmldocument) webbrowser1.document. domdocument;
Object J;
For (INT I = 0; I <Doc. parentwindow. frames. length; I ++)
{
J = I;
Htmlwindow2class frame = Doc. parentwindow. frames. Item (ref J) as htmlwindow2class;
If (frame. Name = "Main ")
{
Messagebox.show(frame.doc ument. Title );
}
}

3. Obtain the ihtmldocument2 interface of the frame.

Ihtmldocument2 Doc = (ihtmldocument2) webbrowser1.document. Window. Frames ["Main"]. Document. domdocument;

4. Get the clicked connection in the frame

Private void webbrowser1_navigating (Object sender, webbrowsernavigatingeventargs E)
{
String url = webbrowser1.document. Window. Frames ["Main"]. Document. activeelement. getattribute ("src ");
}

 

 

 

Webbrowser1.navigate (New uri ("Http://asd10000.com/"));

Webbrowser1.scripterrorssuppressed = true;
Webbrowser1.allowwebbrowserdrop = false;
Webbrowser1.webbrowsershortcutsenabled = false;
Webbrowser1.iswebbrowsercontextmenuenabled = false; // 'hide the right-click menu

 

Code

  If (Webbrowser1.document. Window. Frames =   Null )
Return ;

htmldocument doc = webbrowser1.document. domdocument as htmldocument;
htmlwindow window = webbrowser1.document. window. frames [ 0 ];
doc = window. document. domdocument as htmldocument;

htmlinputelementclass input = Doc. all. item ( " username " , 0 ) as htmlinputelementclass;
input. value = " 222an1 " ;

Input=Doc. All. Item ("Passwd",0)AsHtmlinputelementclass;
Input. Value= "222111";

Htmldocument htmldoc= Webbrowser1.document. Window. Frames [ 0 ]. Document;
Foreach (Htmlelement H In Htmldoc. All)
{
If (H. getattribute ( " Type " ). Tostring () =   " Submit " )
{
If (H. getattribute ( " Value " ). Tostring () =   " OK " )
{
H. invokemember ( " Click " );
Break ;
}
}
}