我正在制作一个数据库程序，但没有使用SQL我正在制作一个5人制足球队，并且有2个阵列列表，一个用于玩家详细信息，另一个用于匹配详细信息。我知道如何添加一个新玩家，但我似乎无法删除一个玩家，并想知道是否有人可以提供帮助。
FootballClub PlayerMemberData;
PlayerMemberData = new FootballClub(0);
PlayerMemberData.Firstname = "Daniel";
PlayerMemberData.Surname = "Whitcombe";
PlayerMemberData.age = 19;
PlayerMemberData.Address1 = "7 High Street";
PlayerMemberData.Address2 = "Trelewis";
PlayerMemberData.City = "Treharris";
PlayerMemberData.Country = "Mid Glam";
PlayerMemberData.Postcode = "CF46 6AB";
PlayerMemberData.HomeNum = 0;
PlayerMemberData.MobNum = 0;
PlayerMemberData.Email = "dan@hotmail.co.uk";
PlayerMemberData.EmergencyName = "mam";
PlayerMemberData.EmergencyNum = 424242;
ClubData.Add(PlayerMemberData);
PlayerMemberData = new FootballClub(0);
PlayerMemberData.Firstname = "EFEF";
PlayerMemberData.Surname = "WhitEWFEWFcombe";
PlayerMemberData.age = 19;
PlayerMemberData.Address1 = "7 High FEWF";
PlayerMemberData.Address2 = "FWEFF";
PlayerMemberData.City = "FWEFEWF";
PlayerMemberData.Country = "Mid Glam";
PlayerMemberData.Postcode = "CF46 3VD";
PlayerMemberData.HomeNum = 0;
PlayerMemberData.MobNum = 0;
PlayerMemberData.Email = "FWEFEW@hotmail.co.uk";
PlayerMemberData.EmergencyName = "Mam";
PlayerMemberData.EmergencyNum = 424242;
ClubData.Add(PlayerMemberData);
MatchPreformance PlayerPreformanceData;
PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData.MinutesPlayed = 32;
PlayerPreformanceData.Goals = 1;
PlayerPreformanceData.Penalties = 0;
PlayerPreformanceData.CardGiven = 'R';
MatchData.Add(PlayerPreformanceData);
PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData.MinutesPlayed = 32;
PlayerPreformanceData.Goals = 1;
PlayerPreformanceData.Penalties = 0;
PlayerPreformanceData.CardGiven = 'Y';
MatchData.Add(PlayerPreformanceData);
ShowCurrentMember();
}
#region Variables
FootballClub PlayerMemberData = new FootballClub(0);
MatchPreformance PlayerPreformanceData = new MatchPreformance(1);
ArrayList ClubData = new ArrayList();
ArrayList MatchData = new ArrayList();
public int CurrentPlayerShown = 0;
// Path to the file for loading/saving. Note the '@' sign in front of the string. Without it all '\' have to be double '\\'
string filePathName = @"C:\Users\Clare\Desktop\Football_Data.txt";
#endregion
#region DataStructure
// ==============================The Data Structure=====================================
[Serializable]
private struct FootballClub
{
//the data types making up the struct
public string Firstname;
public string Surname;
public int age;
public string Address1;
public string Address2;
public string City;
public string Country;
public string Postcode;
public int HomeNum;
public int MobNum;
public string Email;
public string EmergencyName;
public int EmergencyNum;
//the "constructor". Fills data structure with default vaules
public FootballClub(int x)
{
Firstname = "";
Surname = "";
age = 0;
Address1 = "";
Address2 = "";
City = "";
Country = "";
Postcode = "";
HomeNum = 0;
MobNum = 0;
Email = "";
EmergencyName = "";
EmergencyNum = 0;
}
}
[Serializable]
private struct MatchPreformance
{
public int MinutesPlayed;
public int Goals;
public int Penalties;
public char CardGiven;
public int TotalTime;
public int TotalGoals;
public int TotalPenalties;
public MatchPreformance(int x)
{
MinutesPlayed = 0;
Goals = 0;
Penalties = 0;
CardGiven = ' ';
TotalTime = 0;
TotalGoals = 0;
TotalPenalties = 0;
}
}
// ==============================End of Data Structure=====================================
#endregion
#region MatchDetails
private void NewMatch_Butt_Click(object sender, EventArgs e)
{
//create a new TabPage
TabPage newTP = new TabPage();
//add it to the TabControl
tabControl1.TabPages.Add(newTP);
//set the title to 'Match'plus the tab number
int TabPageNumber = tabControl1.SelectedIndex+1; //adds 1 from the current tab
tabControl1.TabPages[TabPageNumber].Text = "Match " + (TabPageNumber+1);
//make it the selected tab
tabControl1.SelectTab(TabPageNumber);
DeleteMatch_Butt.Enabled = true;// now that we have something to delete we can enable this button
//make the new tab page the parent of the panel that holds all the controls
TabPanel.Parent = tabControl1.SelectedTab; //
}
private void DeleteMatch_Butt_Click(object sender, EventArgs e)
{
// Removes the selected tab:
tabControl1.TabPages.Remove(tabControl1.SelectedTab);
//disable button if only one tabpage left
if (tabControl1.SelectedIndex < 1)
{
DeleteMatch_Butt.Enabled = false;
}
}
private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
{
TabPanel.Parent = tabControl1.SelectedTab;
}
private void PrevPlayer_Butt_Click(object sender, EventArgs e)
{
--CurrentPlayerShown;
ShowCurrentMember();
UpdatePrevNextBtnStatus();
}
private void NextPlayer_Butt_Click(object sender, EventArgs e)
{
++CurrentPlayerShown;
ShowCurrentMember();
UpdatePrevNextBtnStatus();
}
private void MinutesPlayed_Num_ValueChanged(object sender, EventArgs e)
{
MatchPreformance PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
PlayerPreformanceData.MinutesPlayed = (int)MinutesPlayed_Num.Value;
MatchData[CurrentPlayerShown] = PlayerPreformanceData;
}
private void GoalsScored_Num_ValueChanged(object sender, EventArgs e)
{
MatchPreformance PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
PlayerPreformanceData.Goals = (int)GoalsScored_Num.Value;
MatchData[CurrentPlayerShown] = PlayerPreformanceData;
}
private void PenaltiesScored_Num_ValueChanged(object sender, EventArgs e)
{
MatchPreformance PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
PlayerPreformanceData.Penalties = (int)PenaltiesScored_Num.Value;
MatchData[CurrentPlayerShown] = PlayerPreformanceData;
}
private void YellowCard_RadioButt_CheckedChanged(object sender, EventArgs e)
{
MatchPreformance PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
PlayerPreformanceData.CardGiven = 'Y';
MatchData[CurrentPlayerShown] = PlayerPreformanceData;
}
private void RedCard_RadioButt_CheckedChanged(object sender, EventArgs e)
{
MatchPreformance PlayerPreformanceData = new MatchPreformance(0);
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
PlayerPreformanceData.CardGiven = 'R';
MatchData[CurrentPlayerShown] = PlayerPreformanceData;
}
#endregion
#region PlayerDetails
private void FirstNameTextBox_TextChanged(object sender, EventArgs e)
{
//1. Create a new empty structure to hold member data
FootballClub PlayerMemberData = new FootballClub(0);
//2. Copy content of the current entry into the new empty structure
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
//3. Change only the name currently shown in the GUI in the structure
PlayerMemberData.Firstname = FirstNameTextBox.Text;
//4. overwrite the old data with the changed one.
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void SurnameTextBox_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Surname = SurnameTextBox.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void PlayerAge_ValueChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.age = (int)PlayerAge.Value;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void Address1_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Address1 = Address1_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void Address2_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Address2 = Address2_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void City_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.City = City_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void Country_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Country = Country_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void Postcode_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Postcode = Postcode_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void HomeNumber_Text_TextChanged(object sender, EventArgs e)
{
int HomeNum;
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
HomeNum = Convert.ToInt32(HomeNumber_Text.Text);
PlayerMemberData.HomeNum = HomeNum;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void MobileNum_Text_TextChanged(object sender, EventArgs e)
{
int MobNum;
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
MobNum = Convert.ToInt32(MobileNum_Text.Text);
PlayerMemberData.HomeNum = MobNum;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void Email_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Email = Email_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void EmergName_Text_TextChanged(object sender, EventArgs e)
{
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.EmergencyName = EmergName_Text.Text;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
private void EmergNum_Text_TextChanged(object sender, EventArgs e)
{
int EmergNumber;
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
EmergNumber = Convert.ToInt32(EmergNum_Text.Text);
PlayerMemberData.EmergencyNum = EmergNumber;
ClubData[CurrentPlayerShown] = PlayerMemberData;
}
#endregion
#region ShowMember
private void ShowCurrentMember()
{
FootballClub PlayerMemberData;
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
FirstNameTextBox.Text = PlayerMemberData.Firstname;
SurnameTextBox.Text = PlayerMemberData.Surname;
PlayerAge.Value = PlayerMemberData.age;
Address1_Text.Text = PlayerMemberData.Address1;
Address2_Text.Text = PlayerMemberData.Address2;
City_Text.Text = PlayerMemberData.City;
Country_Text.Text = PlayerMemberData.Country;
Postcode_Text.Text = PlayerMemberData.Postcode;
HomeNumber_Text.Text = " " + PlayerMemberData.HomeNum;
MobileNum_Text.Text = " " + PlayerMemberData.MobNum;
Email_Text.Text = PlayerMemberData.Email;
EmergName_Text.Text = PlayerMemberData.EmergencyName;
EmergNum_Text.Text = " " + PlayerMemberData.EmergencyNum;
MatchPreformance PlayerPreformanceData;
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
MinutesPlayed_Num.Value = PlayerPreformanceData.MinutesPlayed;
GoalsScored_Num.Value = PlayerPreformanceData.Goals;
PenaltiesScored_Num.Value = PlayerPreformanceData.Penalties;
if (PlayerPreformanceData.CardGiven == 'Y') YellowCard_RadioButt.Checked = true;
else RedCard_RadioButt.Checked = true;
TotalTime_Text.Text = " " + PlayerPreformanceData.MinutesPlayed;
TotalGoals_Text.Text = " " + PlayerPreformanceData.Goals;
TotalPenalties_Text.Text = " " + PlayerPreformanceData.Penalties;
Player1.Text = "player " + (CurrentPlayerShown + 1);
UpdatePrevNextBtnStatus();
}
private void UpdatePrevNextBtnStatus()
{
if (CurrentPlayerShown <= 0) PrevPlayer_Butt.Enabled = false;
else PrevPlayer_Butt.Enabled = true;
if (CurrentPlayerShown >= (ClubData.Count - 1)) NextPlayer_Butt.Enabled = false;
else NextPlayer_Butt.Enabled = true;
}
#endregion
#region Clear
private void Clear_Butt_Click(object sender, EventArgs e)
{
ClearData();
}
private void ClearData()
{
//clear the data struct
FootballClub PlayerMemberData = new FootballClub(0);
PlayerMemberData = (FootballClub)ClubData[CurrentPlayerShown];
PlayerMemberData.Firstname = "";
PlayerMemberData.Surname = "";
PlayerMemberData.age = 0;
PlayerMemberData.Address1 = "";
PlayerMemberData.Address2 = "";
PlayerMemberData.City = "";
PlayerMemberData.Country = "";
PlayerMemberData.Postcode = "";
PlayerMemberData.HomeNum = 0;
PlayerMemberData.MobNum = 0;
PlayerMemberData.Email = "";
PlayerMemberData.EmergencyName = "";
PlayerMemberData.EmergencyNum = 0;
ClubData[CurrentPlayerShown] = PlayerMemberData;
MatchPreformance PlayerPreformanceData = new MatchPreformance(1);
PlayerPreformanceData = (MatchPreformance)MatchData[CurrentPlayerShown];
PlayerPreformanceData.MinutesPlayed = 0;
PlayerPreformanceData.Goals = 0;
PlayerPreformanceData.Penalties = 0;
PlayerPreformanceData.CardGiven = ' ';
MatchData[CurrentPlayerShown] = PlayerPreformanceData;
ShowCurrentMember();
}
#endregion
#region Save
private void SaveData()
{
// CREATE a file for saving (technically a 'FileStream')
FileStream fs = new FileStream(filePathName, FileMode.Create);
// Construct a BinaryFormatter and use it to serialise the data to the stream.
// this "serialises" the ArrayList into binary (i.e. not to human readable text file)
BinaryFormatter binFormatter = new BinaryFormatter();
// Write the file to disk
binFormatter.Serialize(fs, ClubData);
// Close the file
fs.Close();
} // end of Save method
#endregion
#region Load
private void LoadData()
{
// OPEN file for loading
FileStream fs = new FileStream(filePathName, FileMode.Open);
// Construct a BinaryFormatter for de-serialisation of data from the stream.
BinaryFormatter binFormatter = new BinaryFormatter();
// Read the file from disk
ClubData = (ArrayList)binFormatter.Deserialize(fs);
// Close the file
fs.Close();
CurrentPlayerShown = 0;
ShowCurrentMember();
}
#endregion
private void NewPlayer_Butt_Click(object sender, EventArgs e)
{
FootballClub PlayerMemberData;
PlayerMemberData = new FootballClub(1);
PlayerMemberData.Firstname = "";
PlayerMemberData.Surname = "";
PlayerMemberData.age = 0;
PlayerMemberData.Address1 = "";
PlayerMemberData.Address2 = "";
PlayerMemberData.City = "";
PlayerMemberData.Country = "";
PlayerMemberData.Postcode = "";
PlayerMemberData.HomeNum = 0;
PlayerMemberData.MobNum = 0;
PlayerMemberData.Email = "";
PlayerMemberData.EmergencyName = "";
PlayerMemberData.EmergencyNum = 0;
ClubData.Add(PlayerMemberData);
MatchPreformance PlayerPreformanceData;
PlayerPreformanceData = new MatchPreformance(1);
PlayerPreformanceData.MinutesPlayed = 0;
PlayerPreformanceData.Goals = 0;
PlayerPreformanceData.Penalties = 0;
PlayerPreformanceData.CardGiven = ' ';
MatchData.Add(PlayerPreformanceData);
ShowCurrentMember();
}
private void DeletePlayer_Butt_Click(object sender, EventArgs e)
{
}
}
} `
答案 0 :(得分：0)
您可以使用语法。
for (int i = 0; i < ClubData.Count; i++)
{
if (/* Some condition that matches the potential delete */){
ClubData.RemoveAt(i);
}
}