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"inaccessible due to protection level" error

Discussion in 'C#' started by dropper166, Mar 31, 2009.

  1. dropper166

    dropper166 New Member

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    i got this error "inaccessible due to protection level" and do not know what it is...i have tried everything for 3 days from changing private to public to rewrote all the code but it gives same error...i just copied all some code from my books what i do not understand is my program has one error....my classmates do not know what the problem is

    here is the error from :
    Code:
    using System; 
    using System.Windows.Forms; 
    using System.IO; 
    using WindowsApplication2; 
     
    namespace WindowsApplication2 
    { 
       public partial class SavingClass :  Form1 
       { 
          private StreamWriter fileWriter; // writes datea to text file 
          private FileStream output; // maintains connection  to file 
     
     
            //pramaterless constructor 
            public SavingClass() 
            { 
                [U][I][B]InitializeComponent(); [/B][/I][/U]     // <-------this line code has  blue 
                                                                     underline and shows the 
     "inaccessible due to protection level" error 
                                                                      message 
     
             }//end constructor 
    ...... 
     

    this code is from my third class

    below is the full code of my program







    (Class form1)
    Code:
     
    using System; 
    using System.Windows.Forms; 
     
    namespace WindowsApplication2 
    { 
        public partial class Form1 : Form 
        { 
           protected int TextBoxCount = 5; // number of TextBoxes on Form 
     
            //enumeration constants specify textbox indices 
            public enum TextBoxIndices 
            { 
                VIDEOAUDIO, 
                TITLE, 
                CATEGORY, 
                CERTIFICATION, 
                COPIES 
            } 
     
            //parameterless constructor 
            public Form1() 
            { 
                InitializeComponent(); 
            } 
            //end constructor 
     
            //clear all TExtBoxes 
            public void ClearTextBoxes() 
            { 
                //iterate through every control on form 
                for (int i = 0; i < Controls.Count; i++) 
                { 
                    Control myControl = Controls[i]; // get control 
     
                    //determine wheterh control is textbox 
                    if (myControl is TextBox) 
                    { 
                        //clear text property (set to empty string ) 
                        myControl.Text = ""; 
                    }//end if 
                }//end for 
            }//end method ClearTextBoxes 
     
            //set text box values to string array values 
            public void SetTextBoxValues(string[] values) 
            { 
                //determine wethere string array has correct lenght 
                if (values.Length != TextBoxCount) 
                { 
                    //throw exception if not correct length 
                    throw (new ApplicationException(" There must be " + 
                        (TextBoxCount + 1) + " string in the array")); 
                }//end if 
     
     
                //set array values if array has correct lenght 
                else 
                { 
                    //seet array values to text box values 
                    videoaudiocodeTextBox.Text = values[(int)TextBoxIndices.VIDEOAUDIO]; 
                    titleTextBox.Text = values[(int)TextBoxIndices.TITLE]; 
                    categoryTextBox.Text = values[(int)TextBoxIndices.CATEGORY]; 
                    certificationTextBox.Text = values[(int)TextBoxIndices.CERTIFICATION]; 
                    copiesTextBox.Text = values[(int)TextBoxIndices.COPIES]; 
                }//end else 
            }//end method SetTExtValues 
     
            //return text box values as string array 
            public string[] GetTextBoxValues() 
            { 
                string[] values = new string[TextBoxCount]; 
     
                //copy text box fields to string array 
                values[(int)TextBoxIndices.VIDEOAUDIO] = videoaudiocodeTextBox.Text; 
                values[(int)TextBoxIndices.TITLE] = titleTextBox.Text; 
                values[(int)TextBoxIndices.CATEGORY] = categoryTextBox.Text; 
                values[(int)TextBoxIndices.CERTIFICATION] = certificationTextBox.Text; 
                values[(int)TextBoxIndices.COPIES] = copiesTextBox.Text; 
     
                return values; 
            } 
     
           
            
            }//end method 
        }//end class 
     
     
     
     
     
     
     
     
     
    (recordclass) 
    using System; 
    using System.Collections.Generic; 
    using System.Text; 
     
    namespace WindowsApplication2 
    { 
       public class RecordClass 
       { 
          private int videoandaudio; 
          private string title; 
          private string category; 
          private string certification; 
          private int copies; 
     
          //parameterless constructor sets members to default values 
          public RecordClass() 
             : this(0, "", "", "", 0) 
          { 
          }//end constructor 
     
          //overloaded constructor sets members to parameter values  
          public RecordClass(int videoandaudioValue, string titleValue, string categoryValue, 
              string certificationValue, int copiesValue) 
          { 
             Videoandaudio = videoandaudioValue; 
             Title = titleValue; 
             Category = categoryValue; 
             Certification = certificationValue; 
             Copies = copiesValue; 
          }//end constructor 
     
          //property that gets and sets account 
          public int Videoandaudio 
          { 
             get 
             { 
                return videoandaudio; 
             }//end get 
     
             set 
             { 
                videoandaudio = value; 
             }//endset 
          }//end property Videoandaudio 
     
          //property that gets and sets title 
          public string Title 
          { 
             get 
             { 
                return title; 
             }//end get 
     
             set 
             { 
                title = value; 
             }//endset 
          }//end property title 
     
          //property that gets and sets category 
          public string Category 
          { 
             get 
             { 
                return category; 
             }//end get 
     
             set 
             { 
                category = value; 
             }//endset 
          }//end property category 
     
          //property that gets and sets certification 
          public string Certification 
          { 
             get 
             { 
                return certification; 
             }//end get 
     
             set 
             { 
                certification = value; 
             }//endset 
          }//end property certification 
     
          //property that gets and sets coopies 
          public int Copies 
          { 
             get 
             { 
                return copies; 
             }//end get 
     
             set 
             { 
                copies = value; 
             }//endset 
          }//end property copies 
     
     
     
     
          }//end class 
       } 
     
     
     
     
     
     
     
     
     
     
    (savingclass)   
    using System; 
    using System.Windows.Forms; 
    using System.IO; 
    using WindowsApplication2; 
     
    namespace WindowsApplication2 
    { 
       public partial class SavingClass :  Form1 
       { 
          private StreamWriter fileWriter; // writes datea to text file 
          private FileStream output; // maintains connection  to file 
     
     
            //pramaterless constructor 
            public SavingClass() 
            { 
                [U][I][B]InitializeComponent();[/B][/I][/U]    ---here is the error 
     
            }//end constructor 
     
     
            
            //event handelr for Save button 
            private void saveButton_Click(object sender, EventArgs e) 
            { 
                //create dialog box enabling uer to save file 
                SaveFileDialog fileChooser = new SaveFileDialog(); 
                DialogResult result = fileChooser.ShowDialog(); 
                string fileName; // name of file to save data 
     
                fileChooser.CheckFileExists = false; // allow user to create file 
     
                //exit event handler if user clicked "Cancel" 
                if (result == DialogResult.Cancel) 
                    return; 
     
                fileName = fileChooser.FileName; // get specified file name 
     
                //show error if user specified invalid file 
                if (fileName == "" || fileName == null) 
                    MessageBox.Show(" Invalid File Name", "Error", 
                        MessageBoxButtons.OK, MessageBoxIcon.Error); 
                else 
                { 
                    //save file via filestream if user specified valid file 
                    try 
                    { 
                        //open ifle with write access 
                        output = new FileStream(fileName, 
                            FileMode.OpenOrCreate, FileAccess.Write); 
     
                        //sets file to where data is written 
                        fileWriter = new StreamWriter(output); 
     
                        //disable save button and enable enter button 
                         
                        saveButton.Enabled = false; 
                        enterButton.Enabled = true; 
                    }//end try 
     
                    //handle exception if ther is a problem opening the file 
                    catch (IOException) 
                    { 
                        //notify user if file doesnot exist 
                        MessageBox.Show("Error opening file", "error", 
                          MessageBoxButtons.OK, MessageBoxIcon.Error); 
                    }//end catch 
                }//end else 
            }//end method saveButton_click 
     
            //handler for enterButton_click 
            private void enterButton_Click(object sender, EventArgs e) 
            { 
                //store Textbox values string array 
                string[] values = GetTextBoxValues(); 
     
                //record containg textbox values to serialize 
                RecordClass class1 = new RecordClass(); 
     
                //determine whether textbox account field is empty 
                if ( values [ ( int ) TextBoxIndices.VIDEOAUDIO ] != "" ) 
                { 
                    // store textbox values in record and serialize record 
                    try 
                    { 
                        // get video and audio code value from textbox 
                        int videoandaudioCode = Int32.Parse( values[ ( int ) TextBoxIndices.VIDEOAUDIO ] ); 
     
                        //determine wheterh videoandaudioCode is valid 
                        if ( videoandaudioCode > 0 ) 
                        { 
                            //store textbox fields in record 
                            class1.Videoandaudio = videoandaudioCode; 
                            class1.Title = values[ ( int ) TextBoxIndices.TITLE ]; 
                            class1.Category = values[ ( int ) TextBoxIndices.CATEGORY ]; 
                            class1.Certification = values[ ( int ) TextBoxIndices.CERTIFICATION ]; 
                            class1.Copies = Int32.Parse( values[ ( int ) TextBoxIndices.COPIES ]); 
                        }//end if 
                        else{ 
                            //notify user if invalid video and audio code 
                            MessageBox.Show( " invalid code ", "error", 
                                MessageBoxButtons.OK, MessageBoxIcon.Error ) ; 
                        }//end else 
                    }//endtry 
                    //notify user if error occurs in seialization 
                    catch ( IOException ) 
                    { 
                        MessageBox.Show( "error writing to file" , "error", 
                            MessageBoxButtons.OK, MessageBoxIcon.Error ); 
                    }//end catch 
                    //notify user if eror occurs regarding parameter format 
                    catch ( FormatException )  
                    { 
                        MessageBox.Show( "invalid format", "error", 
                            MessageBoxButtons.OK, MessageBoxIcon.Error ); 
                    }//end catch 
                }//end if 
     
                ClearTextBoxes(); //clear textbox values 
            }//end method enter button_ click 
     
            //handler for exitButton Click 
            private void exitButton_Click(object sender, EventArgs e) 
            { 
                //dtermine wheteher file exists 
                if (output != null) 
                { 
                    try 
                    { 
                        fileWriter.Close(); //close streamwriter 
                        output.Close(); //close file 
     
                    }// end try 
                    //notify user of error closing file 
                    catch (IOException) 
                    { 
                        MessageBox.Show(" cannot close file", "error", 
                            MessageBoxButtons.OK, MessageBoxIcon.Error); 
                    }//end catch 
                }//end if 
     
                Application.Exit(); 
            }//end method 
        }// end class 
    } 




    sorry for posting all the code i am just hoping someone could help me find the error for this...

    so frustrated herer

    need some help

    thx


    ;D
     
    Last edited by a moderator: Apr 1, 2009
  2. shabbir

    shabbir Administrator Staff Member

    Joined:
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    Your Form1 is derived from Form and so the methods from Form are being derived as private and you need to change that,
     

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