Commit for development environment setup
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283
PROMS/ReferencedObjectsOld/LibSource/ZZZNotUsed/VDB/vdb_Set.cs
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283
PROMS/ReferencedObjectsOld/LibSource/ZZZNotUsed/VDB/vdb_Set.cs
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/*********************************************************************************************
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* Copyright 2004 - Volian Enterprises, Inc. All rights reserved.
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* Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
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* ------------------------------------------------------------------------------
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* $Workfile: vdb_Set.cs $ $Revision: 2 $
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* $Author: Jsj $ $Date: 8/23/04 10:12a $
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*
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* $History: vdb_Set.cs $
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*
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* ***************** Version 2 *****************
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* User: Jsj Date: 8/23/04 Time: 10:12a
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* Updated in $/LibSource/VDB
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* Fixed replace of single quote
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*
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* ***************** Version 1 *****************
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* User: Kathy Date: 7/27/04 Time: 8:40a
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* Created in $/LibSource/VDB
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*********************************************************************************************/
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using System;
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using System.Data;
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using System.Text;
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using System.Collections.Specialized;
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using System.Windows.Forms;
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using VDB;
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namespace VDB_Set
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{
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/// <summary>
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/// Open, Create, Delete, Update functions for SET files (tables)
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/// </summary>
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public class vdb_Set:VDB_Base
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{
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public vdb_Set(String strPath):base(strPath)
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{
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// if no table (file name) specified, then default to SET (SET.DBF)
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if (DBTable.Equals(""))
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DBTable = "SET";
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}
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// Build the SQL command needed to update a row in the SET file
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public override string GetRecUpdateStr(DataTable tbl,DataRow row)
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{
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int j = 0;
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bool FirstOne = true;
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StringBuilder updateStr = new StringBuilder();
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StringBuilder LikeRecID = new StringBuilder();
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bool NullEntry = false;
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updateStr.Append("UPDATE [");
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updateStr.Append(DBTable);
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updateStr.Append("] SET");
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foreach (DataColumn col in tbl.Columns)
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{
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bool isString = (col.DataType == Type.GetType("System.String"));
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if (col.ColumnName.Equals("ENTRY") && row.ItemArray[j].ToString().Equals(""))
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{
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NullEntry = true;
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j++;
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continue;
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}
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if (col.ColumnName.Equals("RECID"))
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{
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LikeRecID.Append("___"); // ignore the first 3 positions
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LikeRecID.Append(row.ItemArray[j].ToString(),3,5);
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}
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if (FirstOne)
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{
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updateStr.Append(" [");
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FirstOne = false;
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}
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else
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updateStr.Append(", [");
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updateStr.Append(col.ColumnName);
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updateStr.Append("]=");
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if (row.ItemArray[j].ToString().Equals(""))
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{
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updateStr.Append("NULL");
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}
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else if (isString)
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{
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String tmpstr = row.ItemArray[j].ToString();
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updateStr.Append("'");
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tmpstr = tmpstr.Replace("'","''");
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updateStr.Append(tmpstr);
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updateStr.Append("'");
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}
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else if (col.DataType == Type.GetType("System.DateTime"))
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{
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int jj;
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String tmpstr = row.ItemArray[j].ToString();
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updateStr.Append("'");
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jj=tmpstr.IndexOf(" ");
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if (jj<0) jj = tmpstr.Length;
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updateStr.Append(tmpstr.Substring(0,jj));
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updateStr.Append("'");
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}
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j++;
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}
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if (NullEntry)
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{
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// So that we can change the RECID number on the first entry
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updateStr.Append(" WHERE [ENTRY] IS NULL");
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}
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else
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{
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updateStr.Append(" WHERE [RECID] LIKE '");
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updateStr.Append(LikeRecID.ToString());
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updateStr.Append("' AND [ENTRY] IS NOT NULL");
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}
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return updateStr.ToString();
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}
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// Build the SQL command needed to insert a row in the SET file
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public override string GetRecInsertStr(DataTable tbl,DataRow row)
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{
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int j = 0;
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StringBuilder insrtStr = new StringBuilder();
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StringBuilder valueStr = new StringBuilder();
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insrtStr.Append("INSERT INTO [");
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insrtStr.Append(DBTable);
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insrtStr.Append("] (");
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valueStr.Append(" VALUES (");
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foreach (DataColumn col in tbl.Columns)
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{
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bool isString = (col.DataType == Type.GetType("System.String"));
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insrtStr.Append("[");
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insrtStr.Append(col.ColumnName);
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insrtStr.Append("],");
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if (row.ItemArray[j].ToString().Equals(""))
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{
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valueStr.Append("NULL");
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}
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else if (isString)
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{
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String tmpstr = row.ItemArray[j].ToString();
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tmpstr = tmpstr.Replace("'","''");
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valueStr.Append("'");
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valueStr.Append(tmpstr);
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valueStr.Append("'");
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}
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else if (col.DataType == Type.GetType("System.DateTime"))
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{
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int jj;
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String tmpstr = row.ItemArray[j].ToString();
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valueStr.Append("'");
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jj = tmpstr.IndexOf(" ");
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if (jj<0) jj=tmpstr.Length;
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valueStr.Append(tmpstr.Substring(0,jj));
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valueStr.Append("'");
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}
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else
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{
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valueStr.Append(row.ItemArray[j].ToString());
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}
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valueStr.Append(",");
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j++;
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}
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insrtStr = insrtStr.Replace(',',')',insrtStr.Length-1,1);
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valueStr = valueStr.Replace(',',')',valueStr.Length-1,1);
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insrtStr.Append(valueStr.ToString());
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return insrtStr.ToString();
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}
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// Build the SQL command needed to delete a row in the SET file
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public override string RecDeleteStr(DataTable tbl,DataRow row)
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{
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int j = 0;
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String RecIDStr = "";
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String NumberStr = "";
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StringBuilder deleteStr = new StringBuilder();
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deleteStr.Append("DELETE FROM [");
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deleteStr.Append(DBTable);
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deleteStr.Append("] WHERE ");
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row.RejectChanges();
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foreach (DataColumn col in tbl.Columns)
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{
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if (col.ColumnName.Equals("NUMBER"))
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{
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NumberStr = row.ItemArray[j].ToString();
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NumberStr = NumberStr.Replace("'","''");
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}
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else if (col.ColumnName.Equals("RECID"))
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{
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RecIDStr = row.ItemArray[j].ToString();
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}
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j++;
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}
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deleteStr.Append("[NUMBER] = '");
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deleteStr.Append(NumberStr);
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deleteStr.Append("' AND [RECID] = '");
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deleteStr.Append(RecIDStr);
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deleteStr.Append("' AND [ENTRY] IS NOT NULL");
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return deleteStr.ToString();
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}
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// Build a list of SQL commands needed to create a new SET table (file)
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// and add the first row
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public override StringCollection CreateTableStatements(string strTblName)
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{
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StringCollection rtnStrColl = new StringCollection();
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StringBuilder createStr = new StringBuilder();
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// StringBuilder firstRecStr = new StringBuilder();
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if (strTblName.Length > 0) // was a table name passd in?
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{
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DBTable = strTblName;
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}
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if (DBTable.Equals(""))
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{
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MessageBox.Show("Trying to Create a new Table without a Name","Create Table Error");
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return rtnStrColl;
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}
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// Build the command that creates a new SET table (file)
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createStr.Append("CREATE TABLE [");
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createStr.Append(DBTable);
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createStr.Append("] ");
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createStr.Append("([TITLE] Char(250), [NUMBER] Char(20), [FORMAT] Char(1), ");
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createStr.Append("[SUBDIR] Char(1), [ENTRY] Char(30), [RECID] Char(8), ");
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createStr.Append("[PROCCODE] Char(1), [DATE] Date, [TIME] Char(5), ");
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createStr.Append("INITIALS Char(5), SERIES Char(100))");
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// // Build the command that adds the first (blank) record
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// // with the RECID initialize to 00000001
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// firstRecStr.Append("INSERT INTO [");
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// firstRecStr.Append(DBTable);
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// firstRecStr.Append("] ([RECID]) VALUES ('00000001')");
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rtnStrColl.Add(createStr.ToString()); // add create table
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// rtnStrColl.Add(firstRecStr.ToString()); // add inserst first record
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return rtnStrColl;
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}
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// Build a list of SQL commands needed to create the first data row
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public override StringCollection CreateFirstRecordStatement(string strTblName)
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{
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StringCollection rtnStrColl = new StringCollection();
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StringBuilder firstRecStr = new StringBuilder();
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// Build the command that adds the first (blank) record
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// with the RECID initialize to 00000001
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firstRecStr.Append("INSERT INTO [");
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firstRecStr.Append(DBTable);
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firstRecStr.Append("] ([RECID]) VALUES ('00000001')");
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rtnStrColl.Add(firstRecStr.ToString()); // add inserst first record
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return rtnStrColl;
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}
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// return a list of SQL commands that will drop (delete) a database table (file)
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public override StringCollection DeleteTableStatements(string strTblName)
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{
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StringCollection rtnStrColl = new StringCollection();
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StringBuilder DropTableStr = new StringBuilder();
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DropTableStr.Append("Drop Table [");
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DropTableStr.Append(DBTable);
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DropTableStr.Append("]");
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rtnStrColl.Add(DropTableStr.ToString());
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return rtnStrColl;
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}
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}
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}
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