private DataTable FillValuesFromDBDateFormatted()
        {
            string strColumnDataType = lblColType.Text;

            switch (strColumnDataType)
            {
            case "int":
            case "bigint":
                break;

            case "date":
            case "datetime":
            case "smalldatetime":
            case "datetime2":
            case "datetimeoffset":
                break;

            default:
                throw new Exception("Only Date or Integer data types can be selected for Date");
            }


            string strColumnName = (string)cmbColumns.SelectedItem;

            strColumnName = UtilGeneral.GetQuotedString(strColumnName);

            int timeperiod = GetTimePeriodType();

            DataTable dt = new DataTable();

            dt = UtilDwQuery.GetColumnValuesWithDateFormat(SchemaName, TableName, strColumnName, strColumnDataType, timeperiod, SQLDwConfig);

            return(dt);
        }
        private string GetColListForPrimaryKey()
        {
            string colstring = "";

            foreach (DataRow col in ColumnList.Rows)
            {
                string colName;
                colName = col[COLUMN_NAME].ToString();
                colName = UtilGeneral.GetQuotedString(colName);

                if (col[PKCOLUMN].ToString() == "1")
                {
                    colstring += Constants.TAB + colName;
                    if (col[PKDESCENDING].ToString() == "1")
                    {
                        colstring += " DESC";
                    }
                    else
                    {
                        colstring += " ASC";
                    }
                    colstring += COLUMN_SEPERATOR + Environment.NewLine;
                }
            }

            colstring = colstring.TrimEnd();
            //Remove the last comma
            if (colstring.EndsWith(COLUMN_SEPERATOR.Trim()))
            {
                colstring = colstring.Substring(0, colstring.Length - 1);
            }

            return(colstring);
        }
        private void LoadConfiguration()
        {
            try
            {
                string strConfigFile = null;
                if (cmbConfigFile.Items.Count > 1)
                {
                    strConfigFile = cmbConfigFile.SelectedItem.ToString();
                }


                if (strConfigFile != NEW_CONFIG_FILE)
                {
                    //Set the Current Configuration in Settings file for future persistence
                    new MySettingsUserConfig().SetCurrentConfiguration(MySettingsUserConfig.KEY_CONFIG_NAME, strConfigFile);

                    //Change the Application Configuration
                    MySettingsEnvironments config = new MySettingsEnvironments(strConfigFile);
                    frmParent.UpdateConfig(config);
                    this.Close();
                }
            }
            catch (Exception ex)
            {
                UtilGeneral.ShowError(ex.Message);
            }
        }
Example #4
0
        /// <summary>
        /// Gets the table size, row count etc. from the Database
        /// </summary>
        /// <param name="SQLDwConfig"></param>
        public void RefreshTableListFromDB(MySettingsEnvironments SQLDwConfig)
        {
            string connstr = SQLDwConfig.GetConnectionString();
            string sql;

            string strFolderApplication = UtilGeneral.GetApplicationFolder();
            string strFileTableList     = strFolderApplication + "\\" + Constants.FOLDER_CONNECTION_TYPE + "\\" + SQLDwConfig.ConnectionType + "\\" + Constants.FILE_TABLE_LIST;

            sql = System.IO.File.ReadAllText(strFileTableList);

            SqlConnection conn = new SqlConnection(connstr);

            conn.Open();
            SqlCommand comm = new SqlCommand(sql, conn);

            try
            {
                comm.CommandTimeout = 120;
                SqlDataReader rdr = comm.ExecuteReader();
                TableList.Clear();
                TableList.Load(rdr);
                rdr = null;
            }
            catch (Exception ex)
            {
                throw new System.Exception(ex.Message);
            }
            finally
            {
                conn.Close();
            }
        }
Example #5
0
        public void ShowConfigForm()
        {
            CurrentConfigFileName = UtilGeneral.GetConfigValue(MySettingsUserConfig.KEY_CONFIG_NAME);

            frmConfig f = new frmConfig(CurrentConfigFileName, this);

            f.ShowDialog();
        }
        public frmConfig(string strConfigName, frmMain ParentForm)
        {
            InitializeComponent();
            string strSQLDWGeneratorMainFolder = Properties.Settings.Default.ApplicationFolder;

            SQLDwConfigurationFolder = strSQLDWGeneratorMainFolder + "\\" + Constants.SUB_FOLDER_SETTINGS;
            frmParent = ParentForm;

            cmbAuthentication.Items.Clear();
            cmbAuthentication.Items.Add(Constants.DB_AUTHENTICATION_INTEGRATED);
            cmbAuthentication.Items.Add(Constants.DB_AUTHENTICATION_SQL);
            cmbAuthentication.SelectedIndex = 0;
            txtUserName.Text = "";
            txtPassword.Text = "";

            if (!Directory.Exists(SQLDwConfigurationFolder))
            {
                Directory.CreateDirectory(SQLDwConfigurationFolder);
            }

            DirectoryInfo d = new DirectoryInfo(SQLDwConfigurationFolder);

            FileInfo[] Files = d.GetFiles("*.Config");

            // Clear the main combo box and load the availble configuration files
            cmbConfigFile.Items.Clear();
            foreach (FileInfo file in Files)
            {
                cmbConfigFile.Items.Add(file.Name);
            }
            cmbConfigFile.Items.Add(NEW_CONFIG_FILE);


            string strFolderApplication    = UtilGeneral.GetApplicationFolder();
            string strFolderConnectionType = strFolderApplication + "\\" + Constants.FOLDER_CONNECTION_TYPE;

            string[] subdirectoryEntries = Directory.GetDirectories(strFolderConnectionType);
            cmbConnectionType.Items.Clear();
            foreach (string subdirectory in subdirectoryEntries)
            {
                DirectoryInfo di = new DirectoryInfo(subdirectory);
                cmbConnectionType.Items.Add(di.Name);
            }

            for (int i = 0; i < cmbConnectionType.Items.Count; i++)
            {
                if (cmbConnectionType.Items[i].ToString() == "SQL Server")
                {
                    cmbConnectionType.SelectedIndex = i;
                    break;
                }
            }


            LoadInitialData(strConfigName);
        }
        /// <summary>
        /// Get Column list for INSERT from External Table to DW table
        /// </summary>
        /// <returns></returns>
        private string GetColListForINSERT()
        {
            string colString = "";

            foreach (DataRow col in ColumnList.Rows)
            {
                string colName;
                colName = col[MyColumnList.COLUMN_NAME].ToString();
                colName = UtilGeneral.GetQuotedString(colName);

                int length;
                length = (int)col[MyColumnList.LENGTH];

                switch (col[MyColumnList.DATA_TYPE].ToString())
                {
                case "varchar":
                case "char":
                case "nvarchar":
                case "nchar":
                    colString += colName + COLUMN_SEPERATOR;
                    break;

                case "xml":
                    colString += "";
                    break;

                case "varbinary":
                    if (length == -1 || length > Constants.MAX_CHARACTER_NUMBER)
                    {
                        //If Varbinary(MAX) or VARBINARY(>8000) then ignore because SQL DW will not allow more than 8000 characters
                        colString += "";
                    }
                    else
                    {
                        colString += colName + COLUMN_SEPERATOR;
                    }
                    break;

                default:
                    colString += colName + COLUMN_SEPERATOR;
                    break;
                }
            }

            colString = colString.TrimEnd();

            // Remove comma at the end
            if (colString.EndsWith(COLUMN_SEPERATOR.Trim()))
            {
                colString = colString.Substring(0, colString.Length - 1);
            }

            return(colString);
        }
Example #8
0
 private void btnLoadData_Click(object sender, EventArgs e)
 {
     try
     {
         LoadTableListFromDatabase();
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
 private void btnDefault_Click(object sender, EventArgs e)
 {
     try
     {
         LoadDefaultValues();
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
Example #10
0
 private void btnConfig_Click(object sender, EventArgs e)
 {
     try
     {
         ShowConfigForm();
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
Example #11
0
        //Button Actions

        private void btnSaveXML_Click(object sender, EventArgs e)
        {
            try
            {
                SaveListToXML();
            }
            catch (Exception ex)
            {
                UtilGeneral.ShowError(ex.Message);
            }
        }
Example #12
0
        /// <summary>
        /// Initial routine for the form
        /// </summary>
        public frmMain()
        {
            InitializeComponent();
            this.Top  = 0;
            this.Left = 0;

            this.Width  = Screen.PrimaryScreen.WorkingArea.Width;
            this.Height = Screen.PrimaryScreen.WorkingArea.Height;

            tlpMain.Width   = this.Width;
            dgvTables.Width = (int)(tlpMain.Width * 0.9);

            tlpMain.Height   = this.Height - (sbrMain.Height * 5);
            dgvTables.Height = (int)(tlpMain.Height * 0.9);
            tlpRight.Height  = (int)(tlpMain.Height * 0.9);

            this.Show();

            try
            {
                CurrentConfigFileName = UtilGeneral.GetConfigValue(MySettingsUserConfig.KEY_CONFIG_NAME);

                if (CurrentConfigFileName == "")
                {
                    ShowConfigForm();
                }
                else
                {
                    SQLDwConfig = new MySettingsEnvironments(CurrentConfigFileName);

                    if (!SQLDwConfig.ConfigFileExists())
                    {
                        UtilGeneral.ShowMessage("Configuration File do not exist. Please create a Configuration file to continue");
                        ShowConfigForm();
                    }
                    else
                    {
                        LoadData();
                    }
                }


                if (dgvTables.ColumnCount > 0)
                {
                    dgvTables.Columns[MyTableList.TABLE_NAME].AutoSizeMode    = DataGridViewAutoSizeColumnMode.AllCells;
                    dgvTables.Columns[MyTableList.INDEX_TYPE].AutoSizeMode    = DataGridViewAutoSizeColumnMode.AllCells;
                    dgvTables.Columns[MyTableList.BCP_SPLIT_VALUE_TYPE].Width = 30;
                }
            }
            catch (Exception ex)
            {
                UtilGeneral.ShowError(ex.Message);
            }
        }
Example #13
0
 private void btnGenerate_Click(object sender, EventArgs e)
 {
     try
     {
         GenerateScript();
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
Example #14
0
 private void btnReadXML_Click(object sender, EventArgs e)
 {
     try
     {
         ReadFromXML();
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
Example #15
0
 private void btnSave_Click(object sender, EventArgs e)
 {
     try
     {
         SaveUpdates();
         this.Close();
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
Example #16
0
        /// <summary>
        /// Get Distinct list of Date values from database based for any Date format.
        /// This is needed on the BCP Split screen to get the distinct list of values for splitting the BCP file
        /// </summary>
        /// <param name="SchemaName"></param>
        /// <param name="TableName"></param>
        /// <param name="ColumnName"></param>
        /// <param name="DataType"></param>
        /// <param name="TimePeriodType"></param>
        /// <param name="AppConfig"></param>
        /// <returns></returns>
        public static DataTable GetColumnValuesWithDateFormat(string SchemaName, string TableName, string ColumnName, string DataType, int TimePeriodType, MySettingsEnvironments AppConfig)
        {
            DataTable dt = new DataTable();

            string        connstr = AppConfig.GetConnectionString();
            SqlConnection conn    = new SqlConnection(connstr);

            string strColumnFormatted = null;

            TableName = UtilGeneral.GetQuotedString(TableName);


            string sql = "WITH AllDates AS ( ";

            sql += "SELECT DISTINCT " + ColumnName + " FROM " + SchemaName + "." + TableName + " ";
            sql += ")";
            sql += "SELECT DISTINCT ";

            strColumnFormatted = GetDateSQLString(ColumnName, DataType, TimePeriodType);

            //In case there are invalid values, then use that value instead of formatting it
            if (DataType == Constants.DATA_TYPE_INT)
            {
                strColumnFormatted = "CASE WHEN LEN(" + ColumnName + ") = 8 THEN " + strColumnFormatted + " ELSE CONVERT(VARCHAR, " + ColumnName + ") END ";
            }

            strColumnFormatted = strColumnFormatted + " " + ColumnName;

            sql += strColumnFormatted;
            sql += " FROM AllDates ORDER BY " + ColumnName;


            try
            {
                conn.Open();
                SqlCommand comm = new SqlCommand(sql, conn);
                comm.CommandTimeout = 0;
                SqlDataReader rdr = comm.ExecuteReader();
                dt.Load(rdr);
                return(dt);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                conn.Close();
            }
        }
Example #17
0
 //Form UI Actions
 private void dgvTables_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
 {
     try
     {
         if (e.RowIndex != -1)
         {
             frmTableDetails f = new frmTableDetails(this, dgvTables.Rows[e.RowIndex], SQLDwConfig);
             f.ShowDialog();
         }
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
Example #18
0
        private void btnMigrate_Click(object sender, EventArgs e)
        {
            try
            {
                DataTable   dtgv    = GetDataTableFromGridView();
                MyTableList dtTable = new MyTableList();
                dtTable.ReplaceTableList(dtgv);

                frmMigrateToSQLDW f = new frmMigrateToSQLDW(dtTable, this, SQLDwConfig);
                f.ShowDialog();
            }
            catch (Exception ex)
            {
                UtilGeneral.ShowError(ex.Message);
            }
        }
        private string GetColListForMerge(string MergeScriptType, string SourceAlias, string TargetAlias)
        {
            string colstring = "";

            foreach (DataRow col in ColumnList.Rows)
            {
                string colName;
                colName = col[COLUMN_NAME].ToString();
                colName = UtilGeneral.GetQuotedString(colName);

                switch (MergeScriptType)
                {
                case COL_SCRIPT_TYPE_MERGE_KEY_COL_JOIN:
                    if (col[PKCOLUMN].ToString() == "1")
                    {
                        colstring += Constants.TAB + SourceAlias + "." + colName + " = " + TargetAlias + "." + colName;
                        colstring += COLUMN_SEPERATOR + Environment.NewLine;
                    }
                    break;

                case COL_SCRIPT_TYPE_MERGE_COL_UPDATE:
                    if (col[PKCOLUMN].ToString() != "1")
                    {
                        colstring += Constants.TAB + Constants.TAB + TargetAlias + "." + colName + " = " + SourceAlias + "." + colName;
                        colstring += COLUMN_SEPERATOR + Environment.NewLine;
                    }
                    break;
                }
            }

            if (MergeScriptType == COL_SCRIPT_TYPE_MERGE_COL_UPDATE)
            {
                string strHasColumn = UtilGeneral.GetQuotedString(UtilGeneral.GetConfigValue(MySettingsUserConfig.KEY_HASH_COL_NAME));
                colstring += Constants.TAB + Constants.TAB + Constants.MERGE_TARGET_ALIAS + "." + strHasColumn + " = " + Constants.MERGE_SOURCE_ALIAS + "." + strHasColumn;
                colstring += COLUMN_SEPERATOR + Environment.NewLine;
            }

            colstring = colstring.TrimEnd();
            //Remove the last comma
            if (colstring.EndsWith(COLUMN_SEPERATOR.Trim()))
            {
                colstring = colstring.Substring(0, colstring.Length - 1);
            }

            return(colstring);
        }
 private void btnRemoveItem_Click(object sender, EventArgs e)
 {
     try
     {
         if (lstValues.Items.Count > 0)
         {
             while (lstValues.SelectedItems.Count > 0)
             {
                 lstValues.Items.Remove(lstValues.SelectedItem);
             }
         }
     }
     catch (Exception ex)
     {
         UtilGeneral.ShowError(ex.Message);
     }
 }
        public MySettingsUserConfig()
        {
            try
            {
                string appPath        = UtilGeneral.GetApplicationFolder();
                string configFileName = System.IO.Path.Combine(appPath, USER_SETTINGS_FILENAME);

                ExeConfigurationFileMap configFileMap = new ExeConfigurationFileMap();
                configFileMap.ExeConfigFilename = configFileName;

                ConfigFile = ConfigurationManager.OpenMappedExeConfiguration(configFileMap, ConfigurationUserLevel.None);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        /// <summary>
        /// Creates a new ColumnList instance based on Schema and Table Name.
        /// Uses the current configuration data for more details
        /// </summary>
        /// <param name="strSchemaName"></param>
        /// <param name="strTableName"></param>
        /// <param name="SQLDwConfig">The application configuration is passed to get all details related to currently selected configuration</param>

        internal MyColumnList(string strSchemaName, string strTableName, MySettingsEnvironments SQLDwConfig)
        {
            ColumnList = new DataTable();
            ColumnList.Columns.Add(COLUMN_NAME);
            ColumnList.Columns.Add(DATA_TYPE);
            ColumnList.Columns.Add(LENGTH, Type.GetType("System.Int32"));
            ColumnList.Columns.Add(PRECISION, Type.GetType("System.Int32"));
            ColumnList.Columns.Add(SCALE, Type.GetType("System.Int32"));
            ColumnList.Columns.Add(IS_NULLABLE, Type.GetType("System.Int32"));
            ColumnList.Columns.Add(ORDER, Type.GetType("System.Int32"));
            ColumnList.Columns.Add(PKCOLUMN, Type.GetType("System.Int32"));
            ColumnList.Columns.Add(PKDESCENDING, Type.GetType("System.Int32"));

            // Get the connection string from the current selected configuration
            string connstr = SQLDwConfig.GetConnectionString();

            string strFolderApplication = UtilGeneral.GetApplicationFolder();
            string strFileTableList     = strFolderApplication + "\\" + Constants.FOLDER_CONNECTION_TYPE + "\\" + SQLDwConfig.ConnectionType + "\\" + Constants.FILE_COLUMN_LIST;
            string sql = System.IO.File.ReadAllText(strFileTableList);

            SqlConnection conn = new SqlConnection(connstr);

            conn.Open();
            SqlCommand comm = new SqlCommand(sql, conn);

            comm.Parameters.Add(new SqlParameter("@SchemaName", SqlDbType.VarChar));
            comm.Parameters["@SchemaName"].Value = strSchemaName;

            comm.Parameters.Add(new SqlParameter("@TableName", SqlDbType.VarChar));
            comm.Parameters["@TableName"].Value = strTableName;

            try
            {
                SqlDataReader rdr = comm.ExecuteReader();
                ColumnList.Load(rdr);
            }
            catch (Exception ex)
            {
                throw new System.Exception(ex.ToString());
            }
            finally
            {
                conn.Close();
            }
        }
        // UI Actions
        private void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                SaveConfig();

                DialogResult result = MessageBox.Show("Configuration Saved. Do you want to load the Configuration now!!", "Save", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);

                if (result.Equals(DialogResult.OK))
                {
                    LoadConfiguration();
                }
            }
            catch (Exception ex)
            {
                UtilGeneral.ShowError(ex.Message);
            }
        }
        //Anchor function to fill values in the list based on Selection
        private void FillValues()
        {
            DataTable dtColValues = new DataTable();

            try
            {
                // Chose how list will be populated
                // (1) From Database (2) From Database but dates (3) From UI time selection
                if (optValueTable.Checked)
                {
                    if (optSplitColumn.Checked)
                    {
                        dtColValues = FillValuesFromDB();
                    }
                    else
                    {
                        dtColValues = FillValuesFromDBDateFormatted();
                    }
                }
                else
                {
                    dtColValues = FillValuesTimeSeries();
                }

                // Fill the list box but do not allow if number of values are more than 500
                lstValues.Items.Clear();
                if (dtColValues.Rows.Count < 500)
                {
                    foreach (DataRow row in dtColValues.Rows)
                    {
                        lstValues.Items.Add(row[0]);
                    }
                }
                else
                {
                    UtilGeneral.ShowMessage("Too Many Values in the Column : " + dtColValues.Rows.Count);
                }
            }
            catch (Exception ex)
            {
                UtilGeneral.ShowError(ex.ToString());
            }
        }
        private void TestConnection()
        {
            string strConnString;

            string strServer, strUser, strPassword, strDatabase, strConn = "";

            strServer   = txtAzServer.Text;
            strUser     = txtAzUser.Text;
            strPassword = txtAzPassword.Text;
            strDatabase = txtAzDatabase.Text;
            strConn     = strServer + "." + strDatabase;

            strConnString = "Server=tcp:" + strServer + ";Database=" + strDatabase + ";Uid=" + strUser + ";Password="******"Connection successful");

                MySettingsSQLDwConnList SQLDwList = new MySettingsSQLDwConnList(strConn);
                //strPassword = UtilCryptor.Crypt(strPassword);
                SQLDwList.SaveConnection(strServer, strDatabase, strUser, strPassword);

                this.btnNext.Enabled = true;
                this.AzConnString    = strConnString;
            }
            catch
            {
                this.btnMigrate.Enabled = false;
                this.AzConnString       = "";
                UtilGeneral.ShowError("Error connecting to database");
            }
            finally
            {
                conn.Close();
            }
        }
        /// <summary>
        /// Routine to save the selected values and return the result back to frmTableDetails
        /// </summary>
        private void SaveData()
        {
            if (lstValues.Items.Count == 0)
            {
                UtilGeneral.ShowMessage("No value selected. Please select the split values.");
                return;
            }

            string colName     = (string)cmbColumns.SelectedItem;
            string colDataType = lblColType.Text;
            string strDataType = "";

            // Chose the data type
            if (optSplitTimePeriod.Checked)
            {
                if (optTPYear.Checked)
                {
                    if (colDataType == Constants.DATA_TYPE_INT)
                    {
                        strDataType = Constants.BCP_SPLIT_TYPE_TIME_INT_YEAR;
                    }
                    else
                    {
                        strDataType = Constants.BCP_SPLIT_TYPE_TIME_YEAR;
                    }
                }
                else if (optTPMonth.Checked)
                {
                    if (colDataType == Constants.DATA_TYPE_INT)
                    {
                        strDataType = Constants.BCP_SPLIT_TYPE_TIME_INT_MONTH;
                    }
                    else
                    {
                        strDataType = Constants.BCP_SPLIT_TYPE_TIME_INT_MONTH;
                    }
                }
                else
                {
                    if (colDataType == Constants.DATA_TYPE_INT)
                    {
                        strDataType = Constants.BCP_SPLIT_TYPE_TIME_INT_DATE;
                    }
                    else
                    {
                        strDataType = Constants.BCP_SPLIT_TYPE_TIME_DATE;
                    }
                }
            }
            else
            {
                strDataType = Constants.BCP_SPLIT_TYPE_VALUE;
            }

            List <string> values = new List <string>();


            if (optTPMonth.Checked)
            {
                // If month, then add the previous year as a failsafe to chose all data for this and prior period
                int StartYear;
                StartYear = Int32.Parse(lstValues.Items[0].ToString().Substring(0, 4)) - 1;
                values.Add(StartYear.ToString());
            }
            for (int i = 0; i < lstValues.Items.Count; i++)
            {
                values.Add(lstValues.Items[i].ToString());
            }
            if (optTPMonth.Checked)
            {
                // If month, then add the next year as a failsafe to chose all data for this and later period
                int EndYear;
                EndYear = Int32.Parse(lstValues.Items[lstValues.Items.Count - 1].ToString().Substring(0, 4)) + 1;
                values.Add(EndYear.ToString());
            }
            string result = String.Join(",", values);

            // Update the BCP Data back to frmTableDetails
            frmParent.UpdateBCPSelection(colName, result, strDataType);
            this.Close();
        }
        /// <summary>
        /// Get Column list string for Creating a Table
        /// </summary>
        /// <param name="TableType">Specify Table Type as DW Table or External Table</param>
        /// <param name="ReplaceCRLF">Specify if you want to replace CRLF from text column. If so, the text columns on External Table will be created with double length</param>
        /// <returns></returns>

        private string GetColListForCREATETABLE(string TableType, string ReplaceCRLF)
        {
            string colstring = "";

            foreach (DataRow col in ColumnList.Rows)
            {
                string datatype;
                int    length, precision, scale, isnullable, order;
                string colName;

                datatype   = col[MyColumnList.DATA_TYPE].ToString();
                length     = (int)col[MyColumnList.LENGTH];
                precision  = (int)col[MyColumnList.PRECISION];
                scale      = (int)col[MyColumnList.SCALE];
                isnullable = (int)col[MyColumnList.IS_NULLABLE];
                order      = (int)col[MyColumnList.ORDER];
                colName    = col[COLUMN_NAME].ToString();

                int maxLength = 0;
                if (datatype == "varchar" || datatype == "char" || datatype == "varbinary")
                {
                    maxLength = Constants.MAX_CHARACTER_NUMBER;
                }
                else if (datatype == "nvarchar" || datatype == "nchar")
                {
                    maxLength = Constants.MAX_CHARACTER_NUMBER / 2;
                }

                int colLength;
                // If the length is MAX (-1) set the maximum length as 8000. If the column type is nvarchar or nchar then the max length is 4000
                if (length == -1)
                {
                    // If lenght is MAX, change the length to 8000
                    colLength = maxLength;
                }
                else
                {
                    colLength = length;
                }

                if (TableType == Constants.TABLE_TYPE_EXTERNAL && datatype == "varbinary")
                {
                    continue;
                }
                if (datatype == "xml")
                {
                    continue;
                }

                colstring += Constants.TAB + UtilGeneral.GetQuotedString(colName) + " ";

                switch (datatype)
                {
                case "varchar":
                case "char":
                case "nvarchar":
                case "nchar":
                case "binary":
                case "varbinary":

                    if (TableType == Constants.TABLE_TYPE_STG || TableType == Constants.TABLE_TYPE_PERSISTENT)
                    {
                        if (length == -1)
                        {
                            colstring += datatype + "(MAX)";
                        }
                        else
                        {
                            colstring += datatype + "(" + colLength + ")";
                        }
                    }
                    else
                    {
                        //If ReplaceCRLF then increase the column length for External table as the BCP will out more characters <CRLF> for each CRLF
                        //These would however be replaced back in the INSERT script to main DWH table
                        if (ReplaceCRLF == Constants.YES && TableType == Constants.TABLE_TYPE_EXTERNAL)
                        {
                            colLength = colLength + Properties.Settings.Default.AddCharactersForCRLF;
                        }

                        if (colLength > maxLength)
                        {
                            colLength = maxLength;
                        }

                        colstring += datatype + "(" + colLength + ")";
                    }
                    break;

                case "time":
                case "datetimeoffset":
                case "datetime2":
                    colstring += datatype + "(" + scale + ")";
                    break;

                case "decimal":
                case "numeric":
                    colstring += datatype + "(" + precision + "," + scale + ")";
                    break;

                case "int":
                case "bigint":
                case "tinyint":
                case "bit":
                case "smallint":
                case "smallmoney":
                case "money":
                case "float":
                case "real":
                case "date":
                case "smalldatetime":
                case "datetime":
                case "image":
                case "sysname":
                    colstring += datatype;
                    break;

                case "uniqueidentifier":
                    // UniqueIdentifier columns are not supported in Exernal Table. Change this to varchar to allow storing the GuID data.
                    if (TableType == Constants.TABLE_TYPE_EXTERNAL)
                    {
                        colstring += "varchar(100)";
                    }
                    else
                    {
                        colstring += datatype;
                    }
                    break;

                //SQL DW does not support geography and geometry. Change the column to varbinary(8000)
                case "geometry":
                case "geography":
                    if (TableType == Constants.TABLE_TYPE_EXTERNAL && TableType == Constants.TABLE_TYPE_DWH)
                    {
                        colstring += "varbinary(" + Constants.MAX_CHARACTER_NUMBER + ")";
                    }
                    else
                    {
                        colstring += datatype;
                    }
                    break;
                }

                if (isnullable == 0)
                {
                    colstring += " NOT NULL";
                }
                else
                {
                    colstring += " NULL";
                }

                colstring += COLUMN_SEPERATOR + Environment.NewLine;
            }

            colstring = colstring.TrimEnd();
            //Remove the last comma
            if (TableType != Constants.TABLE_TYPE_PERSISTENT)
            {
                if (colstring.EndsWith(COLUMN_SEPERATOR.Trim()))
                {
                    colstring = colstring.Substring(0, colstring.Length - 1);
                }
            }
            return(colstring);
        }
        /// <summary>
        /// Get Column for SELECT SQL
        /// </summary>
        /// <param name="CRLFMode">Specify if CRLF is to be handled. Text Columns will have code to replace CRLF with [CRLF]</FR></param>
        /// <returns></returns>

        private string GetColListForSELECT(int CRLFMode, int DBMode, string SourceAlias)
        {
            string colString;

            colString = "";
            foreach (DataRow col in ColumnList.Rows)
            {
                string colName, dataType;
                colName  = col[MyColumnList.COLUMN_NAME].ToString();
                dataType = col[MyColumnList.DATA_TYPE].ToString();

                colName = UtilGeneral.GetQuotedString(colName);

                int length;
                length = (int)col[MyColumnList.LENGTH];

                if (DBMode == DB_MODE_SQLDW)
                {
                    switch (dataType)
                    {
                    case "varchar":
                    case "char":
                    case "nvarchar":
                    case "nchar":
                        switch (CRLFMode)
                        {
                        //While generating data for BCP replace CRLF with [CR][LF]
                        case MyColumnList.MODE_CRLF_REPLACE:
                            int colLength;
                            colLength  = length + Properties.Settings.Default.AddCharactersForCRLF;
                            colString += "LEFT(REPLACE(REPLACE(" + colName + ", CHAR(13), '<CR>'), CHAR(10), '<LF>'), " + colLength + ") " + colName;
                            break;

                        //While generating SELECT for Insert from BLOB to Main revernt [CR][LF] with actual CRLF
                        case MyColumnList.MODE_CRLF_REVERT:
                            colString += "REPLACE(REPLACE(" + colName + ", '<CR>', CHAR(13)), '<LF>', CHAR(10))";
                            break;

                        default:
                            colString += colName;
                            break;
                        }
                        colString += COLUMN_SEPERATOR;
                        break;

                    case "xml":
                        // Ignore XML data columns.
                        colString += "";
                        break;

                    case "varbinary":
                        if (length == -1 || length > Constants.MAX_CHARACTER_NUMBER)
                        {
                            //If Varbinary(MAX) or VARBINARY(>8000) then ignore
                            colString += "";
                        }
                        else
                        {
                            // Ensure values are not more than max allowable length
                            colString += "LEFT(" + colName + ", " + Constants.MAX_CHARACTER_NUMBER + ")" + COLUMN_SEPERATOR;
                        }
                        break;

                    default:
                        colString += colName + COLUMN_SEPERATOR;
                        break;
                    }
                }
                else if (DBMode == DB_MODE_SQLDB)
                {
                    if (SourceAlias == "")
                    {
                        colString += colName + COLUMN_SEPERATOR;
                    }
                    else
                    {
                        colString += SourceAlias + "." + colName + COLUMN_SEPERATOR;
                    }
                }
            }

            colString = colString.TrimEnd();

            // Remove comma at the end
            if (colString.EndsWith(COLUMN_SEPERATOR.Trim()))
            {
                colString = colString.Substring(0, colString.Length - 1);
            }

            return(colString);
        }
        private void MigrateData()
        {
            MyScriptWriter ScriptWriter = new MyScriptWriter(SQLDwConfig);
            string         strScript    = "";

            MyUtilityPowerShell  MPS = new MyUtilityPowerShell();
            MyUtilityCommandLine CLU = new MyUtilityCommandLine();

            if (CheckMigrationStep(Constants.MIGRATE_STEP_BCP_DATA))
            {
                ShowProgressMessage("Generating BCP Files");
                strScript = ScriptWriter.GenerateBCPScript(dtTable, false, true);
                CLU.ExecuteScript(strScript);
            }

            if (CheckMigrationStep(Constants.MIGRATE_STEP_UTF8_CONVERT))
            {
                ShowProgressMessage("Converting Files to UTF8");
                strScript = ScriptWriter.GeneratePSFileUTF8(true);
                MPS.ExecuteScript(strScript);
            }

            if (CheckMigrationStep(Constants.MIGRATE_STEP_COMPRESS_FILES))
            {
                ShowProgressMessage("Compressing Files");
                strScript = ScriptWriter.GeneratePSFileZip(true);
                MPS.ExecuteScript(strScript);
            }

            if (CheckMigrationStep(Constants.MIGRATE_STEP_BLOB_UPLOAD))
            {
                ShowProgressMessage("Copying Files to BLOB");
                strScript = ScriptWriter.GenerateAZCopyFile(true);
                CLU.ExecuteScript(strScript);
            }

            SqlConnection conn;

            conn = new SqlConnection(AzConnString);
            try
            {
                string SQL = "";
                conn.Open();
                SqlCommand comm;

                if (CheckMigrationStep(Constants.MIGRATE_STEP_AZURE_ENV_PREPARE))
                {
                    ShowProgressMessage("Preparing Azure Environment");
                    SQL  = ScriptWriter.GenerateAzurePrepSQL(true);
                    comm = new SqlCommand(SQL, conn);
                    comm.ExecuteNonQuery();
                }

                if (CheckMigrationStep(Constants.MIGRATE_STEP_EXTERNAL_TABLE))
                {
                    ShowProgressMessage("Creating External Tables");
                    SQL  = ScriptWriter.GenerateTableCreateExternal(dtTable, true, true);
                    comm = new SqlCommand(SQL, conn);
                    comm.CommandTimeout = 0;
                    comm.ExecuteNonQuery();
                }

                if (CheckMigrationStep(Constants.MIGRATE_STEP_DATA_WAREHOUSE_TABLE))
                {
                    ShowProgressMessage("Creating Data Warehouse Tables");
                    SQL  = ScriptWriter.GenerateTableCreateDWH(dtTable, true, true);
                    comm = new SqlCommand(SQL, conn);
                    comm.CommandTimeout = 0;
                    comm.ExecuteNonQuery();
                }

                if (CheckMigrationStep(Constants.MIGRATE_STEP_INSERT))
                {
                    ShowProgressMessage("Inserting data");
                    SQL  = ScriptWriter.GenerateInsertFromExternalTable(dtTable, true);
                    comm = new SqlCommand(SQL, conn);
                    comm.CommandTimeout = 0;
                    comm.ExecuteNonQuery();
                }

                ShowProgressMessage("Finished");
            }
            catch (Exception ex)
            {
                ShowProgressMessage("Error");
                UtilGeneral.ShowError(ex.Message);
            }
            finally
            {
                conn.Close();
            }
        }