Constructing Strings From Table
May 22, 2007
Hi friends,
please help me in selecting values from the table
the record is as follows:
Id HomePhone WorkPhone Mobile Email
20 2323223 323232232 Join Bytes!
i have to select values as follows.
Id DeviceType DeviceInfo
20 HomePhone, Mobile, Email 2323223, 323232232, Join Bytes!
the one solution is:
select
'HomePhone, Mobile, Email' AS DeviceType
HomePhone + ',' + WorkPhone + ',' + MobilePhone + ',' + Email AS
DeviceInfo
from table where Id = 20
but here the work phone number is not available so that information
has to be truncated...
Thanks in Advance
Arunkumar.D
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Dec 27, 2006
Hi,
I am experimenting to make a datatable in C# code in a page. This table should be a disconected table with Only valid for the present session.
I try the following code:
public partial class Default2 : System.Web.UI.Page
{
DataTable DT = new DataTable("TEST");
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataColumn Col1 = new DataColumn("Col1");
Col1.DataType = typeof(Int32);
Col1.AllowDBNull = false;
DT.Columns.Add(Col1);
DataColumn Col2 = new DataColumn("Col2");
Col2.DataType = typeof(string);
Col2.AllowDBNull = true;
DT.Columns.Add(Col2);
DataColumn Col3 = new DataColumn("Col3");
Col3.DataType = typeof(DateTime);
Col3.AllowDBNull = true;
DT.Columns.Add(Col3);
GridView1.DataSource = DT;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
for (int i = 1; i < 20; i++)
{
DataRow MyRow = DT.NewRow();
MyRow["Col1"] = i;
DT.Rows.Add(MyRow);
}
}
}
For one reason or the other. if I click the button I get the message that Col1 dus not make part of the table TEST. It turns out that there are no columns added to the table. altroug the code in the page load part has been run. I suppose I have to do something with the session state to make my DataTable persistent, but I have no idea what. Can somebody help me out?
Thanks!
Rob
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Apr 4, 2006
Not sure where to post this question so if you can answer this or have a better forum suggestion, please advise:
I have two tables.
Table USACITY has 100 cities with Latitude and Longitude data (Fields=CITY,CITYLAT,CITYLONG). T
Table USAFAC has 12000 facilities with Latitude and Longitude data (Fields=FAC,FACLAT,FACLONG).
I have an expression that I can use to calculate the distance between any city and facility. The resulting field in the view will be DISTANCE.
Resulting view will include CITY, CITYLAT, CITYLONG, FAC, FACLAT, FACLONG, DISTANCE.
The total possible combinations are 1,200,000 however, the dataset that I am interested in will only include city-facility combinations within 150 miles of each other.
I have built 12 databases in Access that I am now in the process of converting to SQL so I am on a rapid learning curve. Any solutions should include code and instructions on creating the view.
Thanks in advance for any help!
Ernie
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Mar 3, 2004
Hi,
I need to construct a stored procedure that will accept a set of comma seperated numbers. What I would like to do is something like this
create procedure shopping_cart(@contents as varchar) as
select dvd_title
from movie_dvd
where dvd_detail_id in (@contents)
dvd_detail_id is defined as int in the table.
The problem is if I declare @contents as varchar, the procedure only recognizes the first number and ignores the others. Does anyone know how to get around this?
Thanks
Dan
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Sep 28, 2005
I have two tables, both with phone numbers and call times.
one is for incoming calls, one for outgoing calls.
I need to find all phone numbers from the incoming calls table where the number of calls exceeds 100 within the last 30 days, where the last call was within the last 15 mins, and where the number does Not exist in the outgoing call table within the last 30 days.
so far I have this...
(call record is the incoming, callout is the outgoin)
I believe this is giving me all records in the call record table that are within the last month, and not in the outgoing call table OR have not ben called within the last month..
SELECT cr.cli,min(cr.starttime)as "first call",max(cr.starttime)as "last call",count(cr.cli) as "number of calls"
FROM callrecord cr
LEFT JOIN callout co
ON cr.cli = co.cli
where (co.cli is null or datediff(dy,co.calltime,getdate())>30 )
and datediff(dy,cr.starttime,getdate())>30
group by cr.cli
order by cr.cli
i need to add in the 15 minute call check, and also only return those with a count of > 100
can anyone assist? i'm getting a headache :D
tia
a
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Jul 23, 2005
Hi,I am constructing a Message (Body) for sending our Emails. It is around3000 characters long. But for whatever reason, the last line seems tobe broken with a "!" exclamatory mark in it, which results indisplaying the constructed image path as a broken one.How to resolve this ?. Thanks.Regards,Karthick
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Jan 29, 2008
Hi i have a page in which stock can be allocated, there are two boxes which have a product serial number start range and a product serial number end range, when these boxes are filled the "allocate" button is then clicked and the product will then be allocated the serial numbers.
What i want to happen is that when the start and end ranges have been entered into the text boxes it will fail if any number within the range has already been allocated previously. E.g
Start Range
End Range
So lets say in the start range text box 15 is entered and in the end range 25 is entered, however 18 has already been allocated previously, this will then bring up a message saying please select another range;
I have done the following so far;private void ValidateRange()
{
//String strSql;SqlConnection conn = new SqlConnection(ConfigurationManager.AppSettings["strConnectionString"]);
String strSql = "SELECT SqlCommand dbCommand4 = new SqlCommand(strSql, conn);
dbCommand4.Parameters.Add("@Start_RangeID", txt_Start_Range.Text);dbCommand4.Parameters.Add("@End_RangeID", txt_End_Range.Text);
dbCommand4.Connection = conn;
conn.Open();SqlDataReader myDataReader = dbCommand4.ExecuteReader();
myDataReader.Read();if (txt_Start_Range.Text == Convert.ToString(myDataReader["Serial_No"]))
{lblRange.Text = "Please enter a different range a portion of the selected values have already been allocated";
//Response.Redirect("Selectedfilm.aspx");
}
else
{Allocate(true);
}
conn.Close();
}
My problem is constructing the select statement, thanks.
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Feb 19, 2007
I have a whole bunch of bit fields in an SQL data base, which makes it a little messy to report on.
I thought a nice idea would be to assigne a text string/null value to each bit field and concatenate all of them into a result.
This is the basic logic goes soemthing like this:
select case new_accountant = 1 then 'acct/' end +
case new_advisor = 1 then 'adv/' end +
case new_attorney = 1 then 'atty/' end as String
from new_database
The output would be
Null, acct/, adv/, atty, acct/adv/, acct/atty/... acct/adv/atty/
So far, nothing I have tried has worked.
Any ideas?
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Sep 4, 2007
Hi matesI am getting the following error "Invalid object name 't1'.Invalid object name 'relT1T2'." from this line of code " String SQLREL = "SELECT t1.SubCategory2Name, t1.CityName, SubCategory2Name,relT1T2.N FROM " + "t1 INNER JOIN relT1T2 ON t1.PKSUBCAT2ID = relT1T2.FKSUBCAT2ID";"i am basically using datarelation and the relation is working fine and is showing all the data for the parent and child tables but while constructing sql i get above mentioned error.can some one pls help me out. the full code is given below: DataColumn parentCol; DataColumn childCol; parentCol = ds11.Tables["t1"].Columns["PKSUBCAT2ID"]; childCol = ds11.Tables["t2"].Columns["FKSUBCAT2ID"];DataRelation relT1T2; relT1T2 = new DataRelation("T1T2", parentCol, childCol); ds11.Relations.Add(relT1T2); Response.Write(ds11.Tables["t1"].Rows.Count); foreach (DataRow rowParent in ds11.Tables["t1"].Rows) { foreach (DataRow rowChild in rowParent.GetChildRows(relT1T2)) { Response.Write(ds11.Tables["t1"].Rows.Count);//test code DataView dv1 = ds11.Tables["t1"].DefaultView; String SQLREL = "SELECT t1.SubCategory2Name, t1.CityName, SubCategory2Name,relT1T2.N FROM " + "t1 INNER JOIN relT1T2 ON t1.PKSUBCAT2ID = relT1T2.FKSUBCAT2ID"; DataSet ds77 = new DataSet(); SqlConnection cn77 = new SqlConnection(CONN1); cn77.Open(); SqlDataAdapter da77 = new SqlDataAdapter(SQLREL, cn77); da77.Fill(ds77); DataList1.DataSource = ds77.Tables[0].DefaultView; DataList1.DataBind(); cn77.Close();
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Jul 13, 2006
Hi! I'm trying to put together some reports for an attorney's office. I'm having trouble constructing this query. What I'm doing is querying for defendants who do not have a particular charge against them.
Here are my tables:
DCase
-------------------------------
VBKey CaseNumber
1 33365
2 66585
etc..
DCharge
-------------------------------
VBKey ChargeNum
1 27
2 19
3 20
3 21
etc..
Since both tables are linked via VBKey, I joined them together and this is where I got stuck.
I tried using HAVING ChargeNum<>21 but it would still return a result b/c VBkey=3 has two charges against him. So, when do my queries, I'm still getting individuals who have multiple charges. I tried doing this with SELECT DISTINCT but it would still give me results from people with 3 or more charges. I'm lost at how to complete this query. Any help will be greatly appreciated! Thank you!
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Oct 18, 2006
1. I have a table with data like this:
PersonID
DateTime
Temperature
Pressure
2. I want to build a view into this table so that it shows up as follows:
PersonID DateTime1 DateTime2 DateTime3 .....
1 Pressure1 Pressure2 Pressure3 ......
1 Temperature1 Temperature2 Tempearture3 .....
2 :
:
how would I do this?
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Oct 25, 2007
Hey
Is it possible to search for a column without a value?
$query="select id from table1 where col2=''"; (this didnt work, but how do I do it??)
I need the id for the row that has the col2 empty.
:)
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Mar 7, 2008
The sql below is a simple example of LIKE query with a table of wildcard strings. I hope this helps others.
declare @LikeTable Table
(
LikeValue nvarchar(50)
)
insert into @LikeTable (LikeValue) values ('%blah')
insert into @LikeTable (LikeValue) values ('%abc%')
insert into @LikeTable (LikeValue) values ('%edf%')
insert into @LikeTable (LikeValue) values ('car%')
insert into @LikeTable (LikeValue) values ('%ome%')
declare @CompareValue nvarchar(50)
set @CompareValue = 'some value'
select * from @LikeTable where (@CompareValue like LikeValue)
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Dec 21, 2007
Hey, i have multiple search strings and I don't want to keep track of the search strings in SQL format.
As in, i don't want to do this anymore:
Select *
From tbl_Name
where FirstName = 'John' or
FirstName = 'Mike' or
FirstName Like 'Jen%' or
...
and the list continues for at least a 100...
what i want to do is store all the search values in a table and then join on that table as a search...
Create Table as tbl_SearchValues
[FirstName] as Varchar(50)
Insert Table tbl_SearchValues values ('John', 'Mike', 'Jen%')
Select *
From tbl_name n Join tbl_SearchValues s
on n.FirstName Like s.FirstName
This doesn't work cause I tried it... but does anyone know a different workaround??
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Sep 10, 2007
Hi Guys,
I'm wondering if an idea I'm playing with is feasible and if so, how you would recommend implementing it.
Let's say I have a Dictionary table, 2 columns:
Word | Definition
And I have a string - "The cat sat on the dog"
If there's a definition for "cat" in the dictionary table, I want to alter the string so it becomes "The >>cat<< sat on the dog"
At the same time, if there's also a definition for "dog" then my string now becomes "The >>Cat<< sat on the >>Dog<<"
The idea being that when I manipulate the data in my ASP I can replace() the >><< with specific HTML code. (I'm trying to recreate the "in text" advertising thing that lots of people seem to be using - but not doing adverts, just information for our users - Someone hovers over a highlighted word, and with a little bit of Ajax, I can pull the definition out...
I'm not sure (but I'm suspecting) that it would make more sense to do this as I'm storing the string in a table, rather than as I'm pulling it out ready for use (don't want to be slowing my end users down )
Any ideas?
Thanks in advance
-Craig
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Jul 22, 2013
I have a 'searchpath' column in audit table. I need to extract the folders from the column and display it in separate columns.
Column searchpath has value like:
//content/folder[@name='AFR']/folder?[@name='AFRABC']/folder[@name='CDD']/folder[@name='Packages'] /folder[@name='Deployment']/package[@name='XXX spend name']/model
I need to extract the folder names and display it in separate columns in a new table this way:
AFR AFRABC CDD Packages Deployment XXX spend name
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Mar 29, 2006
I wrote my own VB app to maintain all of my connection strings and link them to packages. I then grab them at run time and set them as variables in memory.
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Aug 22, 2002
I have a table that looks like the example below. I need to return the tindex and the entire description on one row. Any clues? I'm drawing a blank.
thanks for you help
tindex tdline description
1234 1 Talk to Mr. Cartwright about
1234 2 new issues with patent law. Conferece
1234 3 call to discuss payment of past bills.
I need to see
1234,Talk to Mr. Cartwright about new issues with patent law. Conferece call to discuss payment of past bills.
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Jul 18, 2007
Hi everyone.
Is it possible to put in a string value as one of the results? I'm trying to produce a string in the data table is the value is null so I want to do something like:
iif(somevalue is nothing, 'Other', somevalue)
Thank you in advance.
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Nov 11, 2006
I am trying to develop a web site. I have a local ms sql database on my machine.
I am trying to connect to a ms Sql database on a goDaddy server from the application.
I am trying to understand the connection string and its total properties.
here is what I think should be in my web.config file
<
add name="Personal" connectionString="Server=whsql-v12.prod.mesa1.secureserver.net;
Database=DB_XX10;
User ID=myID;
Password=myypassword;
Trusted_Connection=False" providerName="System.Data.SqlClient"
/>
<remove name="LocalSqlServer"/>
can someone please tell me where I am going wrong, Thanks for your help.....
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Feb 7, 2007
I am using query strings to pass data from web form to web form and I have two questions. First if i use a asp:sqldatasouce to fill up a grid view and I have my select command set to a paramater that get whatever is in the query string it will not work because whatever is in the quers string gets a " ' " put in front and in the back of it. So if the query string was 5 whene it does the sql statement it sets my paramater = '5' not just 5 so its wont work. How can I fix this using the asp:sql datasource my aspx code looks like
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:Rental PropertiesConnectionString %>"
SelectCommand="SELECT * FROM [APARTMENTS] WHERE ([PROPERITY_ID] = @PROPERITY_ID)">
<SelectParameters>
<asp:QueryStringParameter Name="PROPERITY_ID" QueryStringField="key" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
Also since i have not been able to get around this so i have been wrting code in vb.net to attact a dataset to a grid view to populate it based on the query string i would do the following in vb.net to get ride of the ' in front and behind the query string
Dim y as string = "'" // " ' "
key = Request.QueryString("key").trim(y.tochararray)
But now i am doing another project in C# and I have re-written the above code in C# it will run but it will not take the " ' " out form infront or behind key. How does this need to be changed up?
string y = "'";
key = Request.QueryString["key"].trim(y.tochararray());
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Aug 28, 2007
How can i make a sum (concatenation) of strings of one column in a table.
for example i have a table like this
field1 field2
1 abc
1 bcd
2 sdf
2 sdd
I want to get these strings added group by field 1
Thanks
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Nov 23, 2007
I am submitting a telephone number into a table. I have 3 boxes for the telephone number. Telephone1,Telephone2,Telephone3. I need to insert the values of the 3 text boxes into a column called phone in my table.
so like
InsertCommand="INSERT INTO customer_mod (phone) Values (@Telephone_1)
<asp:formparameter name="Telephone_1" formfield="Telephone1+Telephone2+Telephone3" />
I don't think that is gonna work, so can you please help me make that code work?
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Nov 24, 2007
I developed an application and deployed it onto a hosted provider. I use SQL 2005 Express for development SQL 2000 for production. Both systems work.
I backed up my production database and wish to use it for my development testing. I restored it as a SQL 2000 database on my development machine and changed my connection strings to point to it. I added it as a new Data Connection in Database Explorer and can see all of the data through it, but I see that all the tables now have the owner name in parenthesis as part of the table name.
My application now fails trying to find any of the tables. It works if I include the owner name as part of the SELECT statement. So much for data separation.
I don't know where to start. Is this an issue between SQL 2005 Express and SQL 2000, or is it an issue between SQL and ASP.NET, or is it a hosting provider issue, or what?????
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Jan 24, 2008
Hey guys, don't know if this is in the right place but here goes.
I'd like some advice on optimizing the way I write my code. Here's the scenario. I have a select string for 3 different tables. One for the main gridview, and two others that are binded to dropdownlists.
So I created a Sqldatasource1,2,3 and had to create the connection strings for each one.
ex. SqlDataSource1.ConnectionString = "blah", SqlDataSource2.ConnectionString = "blah", SqlDataSource3.ConnectionString = "blah"the thing is, the connection string itself is the same. Is there a way to consolidate that? So that when I use a select/update/insert command for each sqldatasource i dont have to have another connection string? Also, having multiple connectionstrings, does that slow down the performance?
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Feb 28, 2008
In an ASP.NET app, where is the preferred place (or your preferred place, I should say) to store any SQL Statements (updates, selects, stored procedure calls, etc.) you have? I have been using a key/value pair in AppSettings in my web.config but just feel like that isn't the best way. What say you?
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Mar 14, 2008
Hi,
Im struggling to work out the connection string to my ms sql database.
My website is being hosted with freezone.co.uk and I have a ms sql database called "aspnetdb". I usually log into the database with a username but no password. I don't no what other information is needed to create my connection string?
Thanks, Mark Lawton
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Apr 4, 2006
I've got a GridView, a datasource, 2 textboxes and a button. If I choose to bind the GridView to the datasource the correct data is shown. But if I modify the datasource and chooses the TextBoxes as Parameter Controls it doesn't work out as I expected.
Can I please have a step-by-step response which will work? And expecially if one if the TextBoxes eguals nothing/null. Because this is very important, too, and that part doesn't work either.
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Jan 9, 2001
This seems so simple but I can't find any examples to do it..
I have the following in a text file "Lastname, Firstname MI" and I want to select each part separetly.. What would be the SELECT statement to get the Lastname up to the comma, then the Firstname after the comma, then the MI after the last space..
Thanks for the help, and any reference to learn more.
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Feb 27, 2001
I have a varchar field that contains answers to questions separated by commas. Say there are 4 questions for each user. Here is an example of what the table would look like:
User Answer
1 Good,Fair,Good,Bad
2 Bad,Good,Good,Good
3 Fair,Good,Bad,Fair
I need to write a stored procedure to report off of that separates the Answer field into 4 different columns. How can this be achieved? Any assistance would be greatly appreciated.
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Oct 11, 2006
In MySQL I can represent a string as the following:
X'6162636465'
However, I can't seem to find an equivalent that is supported MS SQL from the last hour and a half of searching the net. Does anyone know of any way to do this?
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May 13, 2004
I have a column called professional_degrees in my table
and it has the following data
professional_degrees
bs,ms,mba
bs,mba,
bs,ms,bs,ms
mba,mba
bs,mba
In the above data u can see some of the degrees are repeated.So how can i find them and delete them from the table.
Thanks.
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Apr 1, 2008
I have a small problem that I can't figure out. Here's my table:
----------------------------------------
Members
----------------------------------------
ID | Name | Image
----------------------------------------
When a user signs up to become a member, they can upload an image, which will be stored under Image. It will also be stored in a folder. For example, if the user with the ID of 14 uploads an image, it will be stored in 'livefiles/Members/14/image.jpg'. If the user does not upload an image, NULL is stored under Image, and the user has a default image, which is stored under 'livefiles/MembersDefault/1/image.jpg'.
What I want to do is return the path of where the image is in the folders. Basically...
If Image is not null
SELECT 'livefiles/Members/' + ID + '/' + Image AS ImagePath
If Image is null
SELECT 'livefiles/MembersDefault/1/image.jpg'
I'd rather not do this with an IF statement, I'm doing a lot of other SELECTS, and I don't want to have to copy all that code. Here's what I tried...
COALESCE (NULLIF('livefiles/Members/' + CONVERT(varchar(20), ID) + '/' + Image, 'livefiles/Members/' + ID + '/'), 'livefiles/MembersDefault/1/image.jpg') AS ImagePath
but that gave me an error saying:
Conversion failed when converting the varchar value 'livefiles/Members/' to data type int.
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