Develop Reference

Updating members details in the DB from CSV files

I have small exec(old one) that treat adding members to a table in the DB. if the member not exist in the DB, it will insert new member in AllMember table. If the member already exists in the DB, it will update the values that are different. What exists already in the code is not updating all the members as I want. I want to code it efficiently now. For every update, I am taking all of the members from the DB(6000) and if I have excel with 4000 members it will make the comparison 24000000 and will increase with time.
Getting all the members:
public static IEnumerable<AllMember> GetAllMembersList()
{
string connection = ConfigurationManager.ConnectionStrings["connectionString"].ToString();
using (var dataAccess = new DataAccessDataContext(connection))
{
var v = (from row in dataAccess.AllMembers
//where row.PremiumType.HasValue && row.PremiumType.Value == 100
select row);
return v.ToList();
}
//#TODO fun
}
Handle the file of new\update members
internal override void ProcessFile()
{
StringBuilder CheckMembersList = new StringBuilder();
CheckMembersList.Clear();
ErrorFounds = false;
UpdateQuery = new StringBuilder();
if (!System.IO.File.Exists(InputFile))
{
Mail.InsertNewMail("שגיאה בתהליך קליטת פרטי משתמשים ", "הקובץ " + InputFile + " לא נמצא ");
return;
}
CsvReader fileReader = new CsvReader(InputFile, FileEncoding, false, false);
DataTable fileContentTable = fileReader.ReadFile();
FileInfo fileInfo = new FileInfo(InputFile);
UpdateDB(fileContentTable, CheckMembersList);
WriteResponseFile(fileContentTable);
}
Updating the DB:
private void UpdateDB(DataTable inputTable, StringBuilder CheckMembersList)
{
IEnumerable<AllMember> allMembersList = Utilities.GetAllMembersList();
DBUpdateStatus updateStatus = DBUpdateStatus.NO_CHANGE;
bool x;
bool newMember;
int rowIndex=0 ;
for (int i = 1; i < inputTable.Rows.Count; i++)
{
rowIndex = i;
DataRow fileRow = inputTable.Rows[i];
newMember = true;
foreach (AllMember membersRow in allMembersList)
{
if (!(String.IsNullOrEmpty(membersRow.TZ))) /*&& (fileRow[ConstDBRow.TZ].ToString().Trim().PadLeft(9, '0') == membersRow.TZ.ToString().Trim().PadLeft(9, '0')))*/
{
newMember = false;
updateStatus = UpdateMemberDetails(fileRow, membersRow);
break;
}
}
if (newMember == true)
updateStatus = InsertNewMember(fileRow);
var memberId = GetMemberId(fileRow[ConstDBRow.TZ].ToString().Trim().PadLeft(9, '0'));
if (updateStatus != DBUpdateStatus.NO_CHANGE)
QueryBuilder.InsertRequest(memberId, updateStatus);
fileRow["UPDATE_STATUS"] = Utilities.GetStatusString(updateStatus);
//append to CheckMembersList for sending members list through email
CheckMembersList.AppendLine("Row Index: " + Convert.ToString(rowIndex + 1) +", Identification number: " + (fileRow[ConstDBRow.TZ].ToString().Trim().PadLeft(9, '0')) + ", First Name: " + fileRow[ConstDBRow.FIRST_NAME].ToString().Replace("'","''") + ", Last Name: " + fileRow[ConstDBRow.LAST_NAME].ToString().Replace("'","''") + ", Update Status: " + fileRow["UPDATE_STATUS"].ToString().Replace("'", "''") + "<br/>");
}
}
How can I do this effectively? Is EntityFramework a good option or taking the list of All-Members differently?

I would leave it on DB to compare the records and insert/update using Merge SQL statement.
There is Merge in SQL Server, hope it is available on other DB servers too https://learn.microsoft.com/en-us/sql/t-sql/statements/merge-transact-sql?view=sql-server-2017
As a note: Are you doing insert/update request for each of your record? Try to perform one DB call

Can Anyone help me retrieve data from parse using unity please?

I have managed to store data, but I can't retrieve it and i would be so grateful if someone could just help me get at least 1 example working.
First I am storing data when the user signs up:
public void SetupNewParseMember(ParseUser user)
{
ParseObject gameScore = new ParseObject("GameScore");
gameScore["cash"] = 500;
gameScore["playerName"] = user.Username;
gameScore["HighestCash"] = 500;
gameScore["GamesPlayed"] = 0;
Task saveTask = gameScore.SaveAsync();
}
This works fine, I can see the data in parse and all seems ok..
The problem is when i try to retrieve the objects.
public void SetupMainScreen(ParseUser user)
{
var query = ParseObject.GetQuery("GameScore").WhereEqualTo("playerName", user.Username);
query.FindAsync().ContinueWith(t =>
{
IEnumerable<ParseObject> results = t.Result;
List<ParseObject> resultsList = results.ToList();
DealWithResults(resultsList, user);
});
}
public void DealWithResults(List<ParseObject> resultsList, ParseUser me)
{
userGamesPlayed = resultsList[1].Get<int>("GamesPlayed");
userHighestCash = resultsList[2].Get<int>("HighestCash");
userCash = resultsList[3].Get<int>("Cash");
WelcomeText.text = "Welcome, " + me.Username + "\n" +
"Cash: $" + userCash + "\n" +
"Highest Cash: $" + userHighestCash + "\n" +
"Games Played: " + userGamesPlayed;
}
First I tried just making changes to the unity ui from inside the Query but that did not work, So i made an outside function and passed the results to it that way, and that still does not work?
I tried to debug what i was getting in the list with this:
foreach (var res in resultsList)
{
Debug.Log("Class Name = " + res.ClassName + "| Keys are: " + res.Keys);
}
But all it returned was:
Class Name = GameScore| Keys are: System.Collections.Generic.Dictionary`2+KeyCollection[System.String,System.Object]
Can anyone offer any insights?
EDIT2:
ok so first i found results list and its contents
http://i.imgur.com/IKcBbey.png
Then if i open it, it seems to be null ref?
http://i.imgur.com/VmSpi9c.png
But if i go digging, i found the info i need all the way down here
http://i.imgur.com/1Wwu5uc.png
Now just need to work out how to get it?

As there is only one set of data it is always accessible through resultsList[0]. What you want is:
double cash = (double)resultsList[0]["cash"];
string playerName = (string)resultsList[0]["playerName"];
double highestCash = (double)resultsList[0]["HighestCash"];
int gamesPlayed = (int)resultsList[0]["GamesPlayed"];
Though you probably want to check that resultsList is not null and contains one element before you try to dereference it.
Also as your ParseObject appears to be a Dictionary you might find this MSDN page useful.

Ended up solving it.. Much different to the examples...
I had to make a coroutine that called a function on callback to access the variables outside of the query.
I called it with
StartCoroutine(SetupMainScreen(me, DealWithResults));
then called this.
public IEnumerator SetupMainScreen(ParseUser user, Action<GameScore> callback)
{
var query = ParseObject.GetQuery("GameScore").WhereEqualTo("playerName", user.Username).FirstOrDefaultAsync();
while (!query.IsCompleted)
{
yield return null;
}
if (query.IsFaulted || query.IsCanceled)
{
Debug.Log("Getting of GameScores faulted or cancelled...");
}
else
{
var obj = query.Result;
if (obj != null)
callback(new GameScore(obj.Get<int>("cash"),obj.Get<string>("playerName"),obj.Get<int>("HighestCash"),obj.Get<int>("GamesPlayed")));
}
}
public void DealWithResults(GameScore gs)
{
WelcomeText.text = "Welcome, " + gs.Username + "\n" +
"Cash: $" + gs.Cash + "\n" +
"Highest Cash: $" + gs.HighestCash + "\n" +
"Games Played: " + gs.GamesPlayed;
}
And i just made a class to hold the objects.. Hopefully this helps someone else.

Avoid printing certain rows in foreach

Hi I would like to avoid printing certain rows (valid accounts) in my foreach loop (in GetSAM)as opposed to printing everything.
When I try to do so by commenting away the line (in valSAM) that prints the valid accounts, the will be a blank in the area where a valid account once was. I understand that this is because the foreach loops through all the variables in the database.
How am I able to remove the gaps between the output?
GetSAM:
//Get SAMAccount
private static string GetSAM(string ldapAddress, string serviceAccountUserName, string serviceAccountPassword)
{
string ldapPath = "LDAP://" + ldapAddress;
string ldapFilter = "(&(objectclass=user)(objectcategory=person))";
DirectoryEntry directoryEntry = new DirectoryEntry(ldapPath, serviceAccountUserName, serviceAccountPassword);
string readOutput;
List<string> list = new List<string>();
List<int> invalid = new List<int>();
using (DirectorySearcher directorySearcher = new DirectorySearcher(directoryEntry))
{
string samAccountName;
directorySearcher.Filter = ldapFilter;
directorySearcher.SearchScope = SearchScope.Subtree;
directorySearcher.PageSize = 1000;
using (SearchResultCollection searchResultCollection = directorySearcher.FindAll())
{
**foreach (SearchResult result in searchResultCollection)
{
samAccountName = result.Properties["sAMAccountName"][0].ToString();
if (valSAM(samAccountName, ldapAddress, serviceAccountUserName, serviceAccountPassword)!= true)
{
invalid.Add('1');
}
list.Add(samAccountName);
} //end of foreach**
// Count all accounts
int totalAccounts = list.Count;
// Count all invalid accounts
int invalidAccounts = invalid.Count;
Console.WriteLine("Found " + invalidAccounts + " invalid accounts out of " + totalAccounts + " user accounts.\nQuery in " + ldapAddress + " has finished.\n");
Console.WriteLine("Press [enter] to continue.\n");
readOutput = Console.ReadLine();
}//SearchResultCollection will be disposed here
}
return readOutput;
}
valSAM:
//Validate SAMAccount
private static bool valSAM(string samAccountName, string ldapAddress, string serviceAccountUserName, string serviceAccountPassword)
{
string ldapPath = "LDAP://" + ldapAddress;
DirectoryEntry directoryEntry = new DirectoryEntry(ldapPath, serviceAccountUserName, serviceAccountPassword);
StringBuilder builder = new StringBuilder();
bool accountValidation = false;
//create instance fo the directory searcher
DirectorySearcher desearch = new DirectorySearcher(directoryEntry);
//set the search filter
desearch.Filter = "(&(sAMAccountName=" + samAccountName + ")(objectcategory=user))";
//find the first instance
SearchResult results = desearch.FindOne();
using (PrincipalContext pc = new PrincipalContext(ContextType.Domain, ldapAddress))
{
//if users are present in database
if (results != null)
{
//Check if account is activated
bool isAccountActived = IsActive(results.GetDirectoryEntry());
//Check if account is expired or locked
bool isAccountLocked = IsAccountLockOrExpired(results.GetDirectoryEntry());
accountValidation = ((isAccountActived != true) || (isAccountLocked));
//account is invalid
if (accountValidation)
{
builder.Append("User account " + samAccountName + " is invalid. ");
if ((isAccountActived != true) && (isAccountLocked))
{
builder.Append("Account is inactive and locked or expired.").Append('\n'); ;
} else if (isAccountActived != true)
{
builder.Append("Account is inactive.").Append('\n'); ;
}
else if (isAccountLocked)
{
builder.Append("Account is locked or has expired.").Append('\n'); ;
}
else
{
builder.Append("Unknown reason for status. Contact admin for help.").Append('\n'); ;
}
accountValidation = false;
}
//account is valid
if ((isAccountActived) && (isAccountLocked != true))
{
**//builder.Append("User account " + samAccountName + " is valid.").Append('\n');
accountValidation = true;
}
}
else Console.WriteLine("Nothing found.");
Console.WriteLine(builder);
}//end of using
return accountValidation;
}

You probably want to only write if builder has something otherwise it will print an empty line. Namely, change
Console.WriteLine(builder);
to
if (builder.Length > 0)
{
Console.WriteLine(builder);
}
or just
Console.Write(builder);
if you're going to handle all of the new lines in the builder itself. If you're going to do that, use StringBuilder.AppendLine() instead of hardcoding the '\n' like that.
StringBuilder.AppendLine https://msdn.microsoft.com/en-us/library/system.text.stringbuilder.appendline(v=vs.110).aspx

Search data gridview using textbox and checkboxlist asp.net c#

I want to use textbox and checkboxlist to search data in gridview using asp.net c#. Using textbox can search the data. But for checkboxlist only can search the data when check only one checkbox. If check more than one checkbox, can't search the data. thanks a lot for helping.
the code:
c# code
protected void btnSearch_Click(object sender, EventArgs e)
{
if (cblDay.SelectedIndex != -1)
{
foreach (ListItem val in cblDay.Items)
{
if (val.Selected == true)
{
RptRateData.Day += val.Value + "";
}
}
}
RptRateData.RateAmount = txtRate.Text.Trim();
BindGrid();
}
code for class:
public string RateAmount { get; set; }
public string Day { get; set; }
internal DataSet GetRptRateSet()
{
DataSet tmpDS = new DataSet();
try
{
string strSQL = #"SELECT ComplexRateInfo.ComplexRateId,
ComplexRateDetailInfo.Day,
ComplexRateInfo.RateAmount
FROM ComplexRateInfo
LEFT JOIN ComplexRateDetailInfo ON ComplexRateInfo.ComplexRateId = ComplexRateDetailInfo.ComplexRateId ";
string whereSQL = " WHERE";
string orderBySQL = " order by Day ;";
int filterCount = 0; //to keep track of needed filter that are going to be used by the sql string
string[] sIndex = new string[2]; //to keep track of scalar variable needed by the sql, four string of sIndex because maximum filter available is 4
int indexCount = 0; //count to access sIndex members
//filter with or without day
if (_ds.Day != null && _ds.Day != "")
{
if (filterCount > 0) //query need additional filter
whereSQL = whereSQL + " AND ComplexRateDetailInfo.Day LIKE '{" + filterCount + "}'";
else //if this is the first filter
whereSQL = whereSQL + " ComplexRateDetailInfo.Day LIKE '{" + filterCount + "}'";
filterCount++;
sIndex[indexCount] = _ds.Day;
indexCount++;
}
//filter with or without rate amount
if (_ds.RateAmount != null && _ds.RateAmount != "")
{
if (filterCount > 0) //query need additional filter
whereSQL = whereSQL + " AND ComplexRateInfo.RateAmount LIKE '{" + filterCount + "}'";
else //if this is the first filter
whereSQL = whereSQL + " ComplexRateInfo.RateAmount LIKE '{" + filterCount + "}'";
filterCount++;
sIndex[indexCount] = _ds.RateAmount;
indexCount++;
}
//build complete query with no filter at all
if (filterCount == 0)
{
strSQL = strSQL + orderBySQL;
tmpDS = Db.GetDataSet(string.Format(strSQL));
}
//build complete query with 1 or more filter
else
{
strSQL = strSQL + whereSQL + orderBySQL;
tmpDS = Db.GetDataSet(string.Format(strSQL, sIndex));
}
}
catch (Exception ex)
{
throw ex;
}
return tmpDS;
}

There are two mistakes in your code.
Assigning values to RptRateData.Day from CheckBoxList.
Description: You assign selected values to object without using any separator. So For example if you have selected 1, 2, 4 days then as per your code, value of RptRateData.Day will be 124. Instead of that, it should be separated with comma as shown below:
var selectedDays = string.Empty;
foreach (ListItem val in cblDay.Items)
{
if (val.Selected == true)
{
selectedDays += "'" + val.Value + "',";
}
}
RptRateData.Day = selectedDays.TrimEnd(new char[] { ',' });
Now come to the second point which is in your SQL query which you make dynamically.
Description: In this query in WHERE clause you use Like operator for ComplexRateDetailInfo.Day. This will not work anymore. Instead of that you should use IN operator.
Note: Are you sure that your Like operator is working with curly braces ('{' and '}') and without '%' symbol ?

Pass multiple data from one function to label in C#

I have a function that retrieves multiple lines of data and I want to display them in a label. My function is as shown below.
public static string GetItemByQuery(IAmazonSimpleDB simpleDBClient, string domainName)
{
SelectResponse response = simpleDBClient.Select(new SelectRequest()
{
SelectExpression = "Select * from " + domainName
});
String res = domainName + " has: ";
foreach (Item item in response.Items)
{
res = item.Name + ": ";
foreach (Amazon.SimpleDB.Model.Attribute attribute in item.Attributes)
{
res += "{" + attribute.Name + ", " + attribute.Value + "}, ";
}
res = res.Remove(res.Length - 2);
}
return res;
}
So far I can only return a string which is the last line of the retrieved data. How can I retrieve all the records? I tries arraylist, but it seems that the AWS web application doesn't allow me to use arraylist. Can anyone please help me to solve this??

Return it as as a Enumberable,
List<String> Results ;
Your method would be
public static List<String> GetItemByQuery(IAmazonSimpleDB simpleDBClient, string domainName)
{
List<String> Results = null;
SelectResponse response = simpleDBClient.Select(new SelectRequest()
{
SelectExpression = "Select * from " + domainName
});
String res = domainName + " has: ";
foreach (Item item in response.Items)
{
Results = new List<String>();
res = item.Name + ": ";
foreach (Amazon.SimpleDB.Model.Attribute attribute in item.Attributes)
{
res += "{" + attribute.Name + ", " + attribute.Value + "}, ";
}
res = res.Remove(res.Length - 2);
Results.Add(res);
}
return Results;
}