Home
Manage Your Code
Snippet: MidAtlantic Base Class (C#)
Title: MidAtlantic Base Class Language: C#
Description: MidAtlantic Base Class Views: 126
Author: Rajeev Jain Date Added: 6/17/2008
Copy Code  
1using System;
2using System.Collections;
3using System.Collections.Generic;
4using System.Text;
5using System.Windows.Forms;
6using System.Configuration;
7using System.Reflection;
8using System.Resources;
9
10
11namespace MidAtlanticBaseClasses
12{
13    public class BaseClass
14    {
15        //Property Declaration - SystemConfiguration
16        /// <summary>
17        /// public and static variable for MidAtlantic Connection String
18        /// </summary>
19        public static String strConnectingString = "";
20        public static String strDatabseName = "MidAtlanticAdmin";
21        public static AppSettingsReader objSettingReader;
22        public static string LoginId = string.Empty;
23        public static string UserName = string.Empty;
24        public static bool IsApplicationExitFlag = false;
25
26        //Reference Declaration - System Configurations
27        /// <summary>
28        ///  public static variable for the System Configurations form
29        /// </summary>
30        public static Form objfrmSystemConfigurations = null;
31
32
33        //Reference Declaration - User Component
34        /// <summary>
35        /// public static variable for the Login form
36        /// </summary>
37        public static Form objfrmLogin = null;
38        public static Form objfrmAddUser = null;
39        public static Form objfrmUserManagement = null;
40        public static Form objfrmChangePassword = null;
41
42
43
44        /// <summary>
45        /// Public static variable for Manage Categories
46        /// </summary>
47        public static Form objfrmManageCategory = null;
48        public static Form objfrmAddEditCategory = null;
49
50
51
52        /// <summary>
53        /// Public static variable for Company Management
54        /// </summary>
55        public static Form objfrmManageCompany = null;
56        public static Form objfrmAddEditCompany = null;
57
58
59
60        /// <summary>
61        /// Public static variable for product Management
62        /// </summary>
63        public static Form objfrmAddEditProduct = null;     
64
65
66
67
68        /// <summary>
69        /// This method is used to create the instance of User Module
70        /// </summary>
71        /// <param name="strClassName"></param>
72        public static void CreateUserInstance(String strClassName)
73        {
74            try
75            {
76                String strAssemblyPath = "";
77                objSettingReader = new AppSettingsReader();
78
79                strAssemblyPath = objSettingReader.GetValue("MidAtlanticUser", strAssemblyPath.GetType()).ToString();
80                strAssemblyPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + strAssemblyPath;
81                if (System.IO.File.Exists(strAssemblyPath))
82                {
83
84                    Assembly userAssembly = Assembly.LoadFile(strAssemblyPath);
85
86                    System.Type[] ExistingTypes = userAssembly.GetTypes();
87                    foreach (Type type in ExistingTypes)
88                    {
89                        if (type.Name.Equals(strClassName))
90                        {
91                            switch (type.Name)
92                            {
93                                case "frmLogin":
94                                    {
95                                        if (MidAtlanticBaseClasses.BaseClass.objfrmLogin == null)
96                                        {
97                                            MidAtlanticBaseClasses.BaseClass.objfrmLogin = ((Form)Activator.CreateInstance(type));
98                                        }
99                                        break;//
100                                    }
101                                case "frmAddUser":
102                                    {
103                                        if (MidAtlanticBaseClasses.BaseClass.objfrmAddUser == null)
104                                        {
105                                            MidAtlanticBaseClasses.BaseClass.objfrmAddUser = ((Form)Activator.CreateInstance(type));
106                                        }
107                                        break;
108                                    }
109                                case "frmUserManagement":
110                                    {
111                                        if (MidAtlanticBaseClasses.BaseClass.objfrmUserManagement == null)
112                                        {
113                                            MidAtlanticBaseClasses.BaseClass.objfrmUserManagement = ((Form)Activator.CreateInstance(type));
114                                        }
115                                        break;
116                                    }
117                            }
118
119                        }
120                    }
121                }
122
123            }
124            catch (Exception objEx)
125            {
126                MidAtlanticDataLibrary.Database.logManager objLogManager = new MidAtlanticDataLibrary.Database.logManager();
127                objLogManager.AddErrorLogToDatabase(objEx, MidAtlanticBaseClasses.BaseClass.strConnectingString);
128                objLogManager = null;
129            }
130        }
131
132
133        /// <summary>
134        /// This Method is used to create Company management objects
135        /// </summary>
136        /// <param name="strClassName"></param>
137        public static void CreateCompanyInstance(String strClassName)
138        {
139            try
140            {
141                String strAssemblyPath = "";
142                objSettingReader = new AppSettingsReader();
143
144                strAssemblyPath = objSettingReader.GetValue("CompanyManagement", strAssemblyPath.GetType()).ToString();
145                strAssemblyPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + strAssemblyPath;
146                if (System.IO.File.Exists(strAssemblyPath))
147                {
148
149                    Assembly userAssembly = Assembly.LoadFile(strAssemblyPath);
150
151                    System.Type[] ExistingTypes = userAssembly.GetTypes();
152                    foreach (Type type in ExistingTypes)
153                    {
154                        if (type.Name.Equals(strClassName))
155                        {
156                            switch (type.Name)
157                            {
158                                case "frmManageCompany":
159                                    {
160                                        if (MidAtlanticBaseClasses.BaseClass.objfrmManageCompany == null)
161                                        {
162                                            MidAtlanticBaseClasses.BaseClass.objfrmManageCompany = ((Form)Activator.CreateInstance(type));
163                                        }
164                                        break;
165                                    }
166                                case "AddEditCompany":
167                                    {
168                                        if (MidAtlanticBaseClasses.BaseClass.objfrmAddEditCompany == null)
169                                        {
170                                            MidAtlanticBaseClasses.BaseClass.objfrmAddEditCompany = ((Form)Activator.CreateInstance(type));
171                                        }
172                                        break;
173                                    }
174                            }
175
176                        }
177                    }
178                }
179
180            }
181            catch (Exception objEx)
182            {
183                MidAtlanticDataLibrary.Database.logManager objLogManager = new MidAtlanticDataLibrary.Database.logManager();
184                objLogManager.AddErrorLogToDatabase(objEx, MidAtlanticBaseClasses.BaseClass.strConnectingString);
185                objLogManager = null;
186            }
187        }
188
189        /// <summary>
190        /// This Method is used to create Product management objects
191        /// </summary>
192        /// <param name="strClassName"></param>
193        public static void CreateProductInstance(String strClassName)
194        {
195            try
196            {
197                String strAssemblyPath = "";
198                objSettingReader = new AppSettingsReader();
199
200                strAssemblyPath = objSettingReader.GetValue("productManagement", strAssemblyPath.GetType()).ToString();
201                strAssemblyPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + strAssemblyPath;
202                if (System.IO.File.Exists(strAssemblyPath))
203                {
204
205                    Assembly userAssembly = Assembly.LoadFile(strAssemblyPath);
206
207                    System.Type[] ExistingTypes = userAssembly.GetTypes();
208                    foreach (Type type in ExistingTypes)
209                    {
210                        if (type.Name.Equals(strClassName))
211                        {
212                            switch (type.Name)
213                            {
214                                case "frmAddEditProduct":
215                                    {
216                                        if (MidAtlanticBaseClasses.BaseClass.objfrmAddEditProduct  == null)
217                                        {
218                                            MidAtlanticBaseClasses.BaseClass.objfrmAddEditProduct = ((Form)Activator.CreateInstance(type));
219                                        }
220                                        break;
221                                    }
222                                //case "AddEditCompany":
223                                //    {
224                                //        if (MidAtlanticBaseClasses.BaseClass.objfrmAddEditCompany == null)
225                                //        {
226                                //            MidAtlanticBaseClasses.BaseClass.objfrmAddEditCompany = ((Form)Activator.CreateInstance(type));
227                                //        }
228                                //        break;
229                                   // }
230                            }
231
232                        }
233                    }
234                }
235
236            }
237            catch (Exception objEx)
238            {
239                MidAtlanticDataLibrary.Database.logManager objLogManager = new MidAtlanticDataLibrary.Database.logManager();
240                objLogManager.AddErrorLogToDatabase(objEx, MidAtlanticBaseClasses.BaseClass.strConnectingString);
241                objLogManager = null;
242            }
243        }
244
245
246
247        /// <summary>
248        /// This Method is used to create MidAtlanticSystem System Configurations objects
249        /// </summary>
250        /// <param name="strClassName"></param>
251        public static void CreateSystemConfigurationsInstance(String strClassName)
252        {
253            try
254            {
255                String strAssemblyPath = "";
256                objSettingReader = new AppSettingsReader();
257
258                strAssemblyPath = objSettingReader.GetValue("MidAtlanticSystem", strAssemblyPath.GetType()).ToString();
259                strAssemblyPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + strAssemblyPath;
260                if (System.IO.File.Exists(strAssemblyPath))
261                {
262
263                    Assembly userAssembly = Assembly.LoadFile(strAssemblyPath);
264
265                    System.Type[] ExistingTypes = userAssembly.GetTypes();
266                    foreach (Type type in ExistingTypes)
267                    {
268                        if (type.Name.Equals(strClassName))
269                        {
270                            switch (type.Name)
271                            {
272                                case "frmSystemConfig":
273                                    {
274                                        if (MidAtlanticBaseClasses.BaseClass.objfrmSystemConfigurations == null || MidAtlanticBaseClasses.BaseClass.objfrmSystemConfigurations.IsDisposed == true)
275                                        {
276                                            MidAtlanticBaseClasses.BaseClass.objfrmSystemConfigurations = ((Form)Activator.CreateInstance(type));
277                                        }
278                                        break;
279                                    }
280                            }
281
282                        }
283                    }
284                }
285
286            }
287            catch (Exception objEx)
288            {
289                MidAtlanticDataLibrary.Database.logManager objLogManager = new MidAtlanticDataLibrary.Database.logManager();
290                objLogManager.AddErrorLogToDatabase(objEx, MidAtlanticBaseClasses.BaseClass.strConnectingString);
291                objLogManager = null;
292            }
293        }
294
295
296
297
298
299        /// <summary>
300        /// Function to Reterive System Configuration values from the specified Resource File.
301        /// </summary>
302        public static Boolean GetSystemConfigurationValues()
303        {
304            ResourceReader objResource = null;
305            String strDatabaseConnection = "";
306            String strDatabaseUsername = "";
307            String strDatabasePassword = "";
308            Boolean blnIsValid = true;
309
310            try
311            {
312                System.IO.FileInfo objFileInfo = new System.IO.FileInfo(@AppDomain.CurrentDomain.BaseDirectory.ToString() + @"\Mid-Atlantic.Mid-AtlanticResource.resources");
313                if (objFileInfo.Exists == false)
314                {
315                    return false;
316                }
317
318                objResource = new ResourceReader(@AppDomain.CurrentDomain.BaseDirectory.ToString() + @"\Mid-Atlantic.Mid-AtlanticResource.resources");
319                foreach (DictionaryEntry objEntry in objResource)
320                {
321                    switch (objEntry.Key.ToString())
322                    {
323                        case "Mid-AtlanticDatabaseSource":
324                            {
325                                strDatabaseConnection = objEntry.Value.ToString();
326                                break;
327                            }
328                        case "Mid-AtlanticDatabaseUsername":
329                            {
330                                strDatabaseUsername = objEntry.Value.ToString();
331                                break;
332                            }
333                        case "Mid-AtlanticDatabasePassword":
334                            {
335                                strDatabasePassword = objEntry.Value.ToString();
336                                break;
337                            }
338                    }
339                }
340
341                if (strDatabaseConnection.Trim().Length > 0)
342                {
343                    strConnectingString = "Server=" + strDatabaseConnection.Trim() + ";Initial Catalog="+MidAtlanticBaseClasses.BaseClass.strDatabseName+";User ID=" + strDatabaseUsername.Trim() + ";Password=" + strDatabasePassword.Trim() + ";";
344                }
345
346            }
347            catch (Exception objEx)
348            {
349                blnIsValid = false;
350                MidAtlanticDataLibrary.Database.logManager objLog = new MidAtlanticDataLibrary.Database.logManager();
351                objLog.AddErrorLogToDatabase(objEx, MidAtlanticBaseClasses.BaseClass.strConnectingString);
352                objLog = null;
353            }
354            finally
355            {
356                if (objResource != null) objResource.Close();
357                objResource = null;
358            }
359            return blnIsValid;
360        }
361
362
363
364
365
366
367
368
369
370    }
371}
372