}//WriteItemListToDatabase
//---------------------------------------------------------------------------------------------------------------
///<summary>
/// WriteItemToDatabase - read all records from this.itemList and write to "theTable"
///</summary>
///<output>strength r - output one strength object to the "theTable" in the database </output>
public void WriteItemToDatabase(strength r)
{
SqlConnection myConnection = DBUtils.GetNewSqlConnection();
if (myConnection == null)
{
LogManager.writeToLog("New connection failed to open; strength_Table.cs:WriteItemToDatabase.GetNewSqlConnection()");
return;
}
//WARNING: A field, like "ID", defined with "IDENTITY" semantics, cannot be assigned a value since it Auto-Increments
string strQuery = "INSERT INTO " + theTable +
" (notes, processArea, specificGoal, specificPractice, genericGoal, genericPractice, projectId ) " +
"VALUES ( @notes, @processArea, @specificGoal, @specificPractice, @genericGoal, @genericPractice, @projectId);";
SqlCommand myCommand = new SqlCommand(strQuery, myConnection);
//DEPRECATED: myCommand.Parameters.Add(...), INSTEAD USE myCommand.Parameters.AddWithValue(...)
// myCommand.Parameters.AddWithValue("@ID", r.ID); //cannot asign to a field having IDENTITY semantics
myCommand.Parameters.AddWithValue("@notes", r.notes);
myCommand.Parameters.AddWithValue("@processArea", r.processArea);
myCommand.Parameters.AddWithValue("@specificGoal", r.specificGoal);
myCommand.Parameters.AddWithValue("@specificPractice", r.specificPractice);
myCommand.Parameters.AddWithValue("@genericGoal", r.genericGoal);
myCommand.Parameters.AddWithValue("@genericPractice", r.genericPractice);
myCommand.Parameters.AddWithValue("@projectId", r.projectId);
myCommand.ExecuteNonQuery();
myConnection.Close();
}//WriteItemToDatabase
}//TestDBI_T_strength_Read_from_DB
/// <summary>
/// TestDBI_T_strength_T3 - clear the SQLServer strength table, write some demo data to SQLServer DB,
/// query the affirmatin table by Project ID,
/// </summary>
static void TestDBI_T_strength_T3()
{
Console.WriteLine(" --START: TestDBI_T_strength_T3");
//Construct myTable in RAM
SQLServerDB.strength_Table myTable = new SQLServerDB.strength_Table();
//put demo records into myTable
for (int i = 1; i < 10; i++)
{
SQLServerDB.strength sItem = new SQLServerDB.strength();
sItem.ID = i;
sItem.notes = "aff_Name_" + i.ToString();
sItem.processArea = "aff_Type_" + i.ToString();
sItem.specificGoal = "aff_specificGoal_" + i.ToString();
sItem.specificPractice = "aff_specificPractice_" + i.ToString();
sItem.genericGoal = "aff_genericGoal_" + i.ToString();
sItem.genericPractice = "aff_genericPractice_" + i.ToString();
sItem.projectId = i;
myTable.itemList.Add(sItem);
}
//Count SQLServerDB strength table rows before clearing
int iRows = myTable.CountRows();
Console.WriteLine("myTable.CountRows = " + iRows.ToString());
Console.WriteLine(" --before clear SQLServer database table");
Util.pause();
myTable.Clear_Database_Table();
int iRows2 = myTable.CountRows();
Console.WriteLine("myTable.CountRows = " + iRows2.ToString());
Util.pause();
myTable.WriteItemListToDatabase();
Console.WriteLine("after writing to SQLServerDB");
Util.pause();
int iRows3 = myTable.CountRows();
Console.WriteLine("myTable.CountRows = " + iRows3.ToString());
Util.pause();
int iSeek_ProjectID = 3;
Console.WriteLine("seek item: iSeek_ProjectID= " + iSeek_ProjectID);
myTable.ReadItemListFromDatabase_ByProjectID(iSeek_ProjectID);
Console.WriteLine("SEEK items found: myTable.itemList.Count =" + myTable.itemList.Count.ToString());
SQLServerDB.strength strengthItem = myTable.itemList[0];
strengthItem.Show();
Util.pause();
Console.WriteLine(" --DONE: TestDBI_T_strength_T3");
}
// <summary>
/// Equals - compare for equivalence of two objects, comparing each field individually, except for the autonumbered ID field
/// true = identical content
/// false = NOT identical content
/// </summary>
/// <param name="other"></param>
/// <returns>bool</returns>
public bool Equals(strength other)
{
return(
(this.notes == other.notes) &&
(this.processArea == other.processArea) &&
(this.specificGoal == other.specificGoal) &&
(this.specificPractice == other.specificPractice) &&
(this.genericGoal == other.genericGoal) &&
(this.genericPractice == other.genericPractice) &&
(this.projectId == other.projectId)
);
}//Equals
} //ReadItemListFromDatabase
//---------------------------------------------------------------------------------------------------------------
///<summary>
/// ReadItemListFromDatabase_ByProjectID - read all records from "theTable" insert them into this.itemList, filter by projectID
/// 1) Erase the current itemList in memory first
/// 2) Read records from SQLServer, filling the itemList
///</summary>
///<input>List<strength> itemList - an ordinary List<> of type strength, will be cleared if not already empty </input>
///<output>List<strength> itemList- an ordinary List<> of type strength, extracted from the database </output>
///<param name="projectId"></param>
public void ReadItemListFromDatabase_ByProjectID(int projectId)
{
itemList.Clear(); //First, empty the existing list contents
string sQuery = "SELECT * FROM " + theTable +
" WHERE projectId=" + projectId.ToString();
DataSet dsObj = DBUtils.ExecuteSqlQuery(sQuery);
if (dsObj != null && dsObj.Tables[0].Rows.Count > 0)
{
DataTable dtObj = dsObj.Tables[0]; //get the DataTable reference once
foreach (DataRow dr in dtObj.Rows)
{
//extract data
int intID = Convert.ToInt32(dr["ID"]);
String strnotes = dr["notes"].ToString();
String strprocessArea = dr["processArea"].ToString();
String strspecificGoal = dr["specificGoal"].ToString();
String strspecificPractice = dr["specificPractice"].ToString();
String strgenericGoal = dr["genericGoal"].ToString();
String strgenericPractice = dr["genericPractice"].ToString();
//fill the itemList
strength newRec = new strength();
newRec.ID = intID;
newRec.notes = strnotes;
newRec.processArea = strprocessArea;
newRec.specificGoal = strspecificGoal;
newRec.specificPractice = strspecificPractice;
newRec.genericGoal = strgenericGoal;
newRec.genericPractice = strgenericPractice;
newRec.projectId = projectId;
itemList.Add(newRec);
} //for
}
} //ReadItemListFromDatabase_ByProjectID
}//UpdateItemListToDatabase
//---------------------------------------------------------------------------------------------------------------
///<summary>
/// UpdateItemToDatabase - update one record within "theTable" in the database
///</summary>
///<input>strength r - one item to be updated within the "theTable" in the database </input>
///<input> r.currentProject - the projectId to match with one database record</input>
public void UpdateItemToDatabase(strength r)
{
SqlConnection myConnection = DBUtils.GetNewSqlConnection();
if (myConnection == null)
{
LogManager.writeToLog("New connection failed to open; in strength_Table.cs: UpdateItemToDatabase.GetNewSqlConnection()");
return;
}
//WARNING: A field, like "ID", defined with "IDENTITY" semantics, cannot be assigned a value since it Auto-Increments
string strQuery = "UPDATE " + theTable +
" SET " +
" notes=@notes," +
" processArea=@processArea," +
" specificGoal=@specificGoal," +
" specificPractice=@specificPractice," +
" genericGoal=@genericGoal," +
" genericPractice=@genericPractice" +
" WHERE " +
" projectId=@projectId"; // <<<---- match on the Primary Key !!! TBD: This is probably NOT going to work! may keys will match on projectId????
SqlCommand myCommand = new SqlCommand(strQuery, myConnection);
//WARNING: myCommand.Parameters.AddWithValue("@ID", r.ID); //cannot assign/modify a field having IDENTITY semantics
myCommand.Parameters.AddWithValue("@notes", r.notes);
myCommand.Parameters.AddWithValue("@processArea", r.processArea);
myCommand.Parameters.AddWithValue("@specificGoal", r.specificGoal);
myCommand.Parameters.AddWithValue("@specificPractice", r.specificPractice);
myCommand.Parameters.AddWithValue("@genericGoal", r.genericGoal);
myCommand.Parameters.AddWithValue("@genericPractice", r.genericPractice);
myCommand.Parameters.AddWithValue("@projectId", r.projectId);
myCommand.ExecuteNonQuery();
myConnection.Close();
}//UpdateItemToDatabase
