Username
How do I use Username
Below are practical examples compiled from projects for learning and reference purposes
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File name: ClassBLL.cs
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191 public int CheckLogin(string name, string pass)
192 {
193 SqlConnection con = da.GetConnect();
194 SqlCommand cmd = new SqlCommand("select *from Users Where Username='"+name+"' and Password='"+pass+"'",con);
195 con.Open();
196 SqlDataReader dr = cmd.ExecuteReader();
197 if (dr.Read())
198 {
199 if (dr[2].ToString() == "admin")
200 {
201 return 1;
202 }
203 else
204 {
205 return 2;
206 }
207 }
208 else
209 {
210 return -1;
211 }
212 }
File name: FormPhanQuyen.cs
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45 private void btnThem_Click(object sender, EventArgs e)
46 {
47
48 if(txtTenDangNhap.Text!="")
49 {
50 if(business.Proc_Insert("Insert_Users",txtTenDangNhap.Text))
51 {
52 string sql = "'" + txtTenDangNhap.Text + "','" + txtMatKhau.Text + "','" + cmbQuyen.SelectedItem.ToString() + "'";
53 business.Insert("Users",sql);
54 FormPhanQuyen_Load(sender, e);
55 }
56 else
57 {
58 MessageBox.Show("Username này đã tồn tại");
59 }
60 }
61 }
File name: FormPhanQuyen.cs
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63 private void btnXoa_Click(object sender, EventArgs e)
64 {
65 DialogResult result;
66 result = MessageBox.Show("Bạn có chắc chắn muốn xóa không ?","Hệ Thống", MessageBoxButtons.YesNo);
67 if (result == DialogResult.Yes)
68 {
69 string sql = "Username='" + txtTenDangNhap.Text + "'";
70 business.Delete("Users", sql);
71 FormPhanQuyen_Load(sender, e);
72 }
73 }
File name: FormPhanQuyen.cs
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75 private void btnSua_Click(object sender, EventArgs e)
76 {
77 string sql = "Password='" + txtMatKhau.Text + "',Quyen='" + cmbQuyen.SelectedItem.ToString() + "' where Username='"+txtTenDangNhap.Text+"'";
78 business.Update("Users",sql);
79 FormPhanQuyen_Load(sender, e);
80 }
File name: ChatGui.cs
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58 public void Start()
59 {
60 DontDestroyOnLoad(this.gameObject);
61 Application.runInBackground = true; // this must run in background or it will drop connection if not focussed.
62
63 if (string.IsNullOrEmpty(this.UserName))
64 {
65 this.UserName = "user" + Environment.TickCount%99; //made-up username
66 }
67
68 chatClient = new ChatClient(this);
69 chatClient.Connect(ChatAppId, "1.0", this.UserName, null);
70
71 if (this.AlignBottom)
72 {
73 this.GuiRect.y = Screen.height - this.GuiRect.height;
74 }
75 if (this.FullScreen)
76 {
77 this.GuiRect.x = 0;
78 this.GuiRect.y = 0;
79 this.GuiRect.width = Screen.width;
80 this.GuiRect.height = Screen.height;
81 }
82
83 Debug.Log(this.UserName);
84 }
File name: ChatGui.cs
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103 public void OnGUI()
104 {
105 if (!this.IsVisible)
106 {
107 return;
108 }
109
110 GUI.skin.label.wordWrap = true;
111 //GUI.skin.button.richText = true; // this allows toolbar buttons to have bold/colored text. nice to indicate new msgs
112 //GUILayout.Button("lala"); // as richText, html tags could be in text
113
114
115 if (Event.current.type == EventType.KeyDown && (Event.current.keyCode == KeyCode.KeypadEnter || Event.current.keyCode == KeyCode.Return))
116 {
117 if ("ChatInput".Equals(GUI.GetNameOfFocusedControl()))
118 {
119 // focus on input -> submit it
120 GuiSendsMsg();
121 return; // showing the now modified list would result in an error. to avoid this, we just skip this single frame
122 }
123 else
124 {
125 // assign focus to input
126 GUI.FocusControl("ChatInput");
127 }
128 }
129
130 GUI.SetNextControlName("");
131 GUILayout.BeginArea(this.GuiRect);
132
133 GUILayout.FlexibleSpace();
134
135 if (this.chatClient.State != ChatState.ConnectedToFrontEnd)
136 {
137 GUILayout.Label("Not in chat yet.");
138 }
139 else
140 {
141 List
142 int countOfPublicChannels = channels.Count;
143 channels.AddRange(this.chatClient.PrivateChannels.Keys);
144
145 if (channels.Count > 0)
146 {
147 int previouslySelectedChannelIndex = this.selectedChannelIndex;
148 int channelIndex = channels.IndexOf(this.selectedChannelName);
149 this.selectedChannelIndex = (channelIndex >= 0) ? channelIndex : 0;
150
151 this.selectedChannelIndex = GUILayout.Toolbar(this.selectedChannelIndex, channels.ToArray(), GUILayout.ExpandWidth(false));
152 this.scrollPos = GUILayout.BeginScrollView(this.scrollPos);
153
154 this.doingPrivateChat = (this.selectedChannelIndex >= countOfPublicChannels);
155 this.selectedChannelName = channels[this.selectedChannelIndex];
156
157 if (this.selectedChannelIndex != previouslySelectedChannelIndex)
158 {
159 // changed channel -> scroll down, if private: pre-fill "to" field with target user's name
160 this.scrollPos.y = float.MaxValue;
161 if (this.doingPrivateChat)
162 {
163 string[] pieces = this.selectedChannelName.Split(new char[] {':'}, 3);
164 this.userIdInput = pieces[1];
165 }
166 }
167
168 GUILayout.Label(ChatGui.WelcomeText);
169
170 if (this.chatClient.TryGetChannel(selectedChannelName, this.doingPrivateChat, out this.selectedChannel))
171 {
172 for (int i = 0; i < this.selectedChannel.Messages.Count; i++)
173 {
174 string sender = this.selectedChannel.Senders[i];
175 object message = this.selectedChannel.Messages[i];
176 GUILayout.Label(string.Format("{0}: {1}", sender, message));
177 }
178 }
179
180 GUILayout.EndScrollView();
181 }
182 }
183
184
185 GUILayout.BeginHorizontal();
186 if (doingPrivateChat)
187 {
188 GUILayout.Label("to:", GUILayout.ExpandWidth(false));
189 GUI.SetNextControlName("WhisperTo");
190 this.userIdInput = GUILayout.TextField(this.userIdInput, GUILayout.MinWidth(100), GUILayout.ExpandWidth(false));
191 string focussed = GUI.GetNameOfFocusedControl();
192 if (focussed.Equals("WhisperTo"))
193 {
194 if (this.userIdInput.Equals("username"))
195 {
196 this.userIdInput = "";
197 }
198 }
199 else if (string.IsNullOrEmpty(this.userIdInput))
200 {
201 this.userIdInput = "username";
202 }
203
204 }
205 GUI.SetNextControlName("ChatInput");
206 inputLine = GUILayout.TextField(inputLine);
207 if (GUILayout.Button("Send", GUILayout.ExpandWidth(false)))
208 {
209 GuiSendsMsg();
210 }
211 GUILayout.EndHorizontal();
212 GUILayout.EndArea();
213 }
File name: NamePickGui.cs
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15 public void Awake()
16 {
17 this.guiCenteredRect = new Rect(Screen.width/2-GuiSize.x/2, Screen.height/2-GuiSize.y/4, GuiSize.x, GuiSize.y);
18 this.chatComponent = this.GetComponent
19
20 if (this.chatComponent != null && chatComponent.enabled)
21 {
22 Debug.LogWarning("When using the NamePickGui, ChatGui should be disabled initially.");
23
24 if (this.chatComponent.chatClient != null)
25 {
26 this.chatComponent.chatClient.Disconnect();
27 }
28 this.chatComponent.enabled = false;
29 }
30
31 string prefsName = PlayerPrefs.GetString(NamePickGui.UserNamePlayerPref);
32 if (!string.IsNullOrEmpty(prefsName))
33 {
34 this.InputLine = prefsName;
35 }
36 }
File name: NamePickGui.cs
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83 private void StartChat()
84 {
85 this.chatComponent.UserName = this.InputLine;
86 this.chatComponent.enabled = true;
87 this.enabled = false;
88
89 PlayerPrefs.SetString(NamePickGui.UserNamePlayerPref, this.InputLine);
90 }
File name: ChatClient.cs
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522 public string GetPrivateChannelNameByUser(string userName)
523 {
524 return string.Format("{0}:{1}", this.UserId, userName);
525 }
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