Knowledge Base Contributions

Below is a list of the knowledge base entries that feiy hy has contributed to:

• about file I/O,i get a IOException ,But any thing i can do is no effect,please help me!
  

• how can i use the TextNode Object's method,for example,inserData(),appendData() etc..,thanks!
  

• how to use the "TextNode" Object's method ,for example,insertdata,appenddata