Cant Convert Types
Mar 7, 2006
I ham trying to convert a 'System.Data.CommandType' to 'System.Web.UI.WebControls.SqlDataSourceCommandType'.
but I get
Error 4 Cannot implicitly convert type 'System.Data.CommandType' to 'System.Web.UI.WebControls.SqlDataSourceCommandType'. An explicit conversion exists (are you missing a cast?) D:InetpubwwwrootHelp_DeskApp_CodeHelpDeskSql.cs 99 42 http://localhost/Help_Desk/
My problem is I cant seem to get a explicit conversion to work. if it cast it I get an.
Specified argument was out of the range of valid values.
Parameter name: value . when running the page. but no build errors, does anyone know how to cast this?
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Mar 8, 2006
I have a SQL Server 2000 database which works like a charm in my asp app. Joining tables by id columns which are of different data types (eg. int in one table and varchar in the other) is no problem with the SQL Server engine, but Native Client refuses to do so and hands me back an error. Even if columns have a slightly different collation (like Slovenian_CI_AS and SQL_Server_1250_CI_AS) SQL Express native client returns an ERROR????!!! Is it possible that Native client cannot resolve this on its own? Must I change the colattion and datatype on all my tables???? Please help!!!!
Peca, developer from Serbia
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Aug 7, 2012
I am following the SSIS overview video- URL...I have a flat file that i want to import the contents onto a SQL database.I created a Dataflow task, source file and oledb destination.I am getting the folliwung error -"column "A" cannot convert between unicode and non-unicode string data types".in the origin file the data type is coming as string[DT_STR] and in the destination object it is coming as "Unicode string [DT_WSTR]"I used a data conversion object in between, dosent works very well
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Jul 28, 2005
Good afternoon
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Sep 9, 2015
I have an SSIS package that pulls data from a MYSQL DB (Using RSSBus for Salesforce in SSIS to accomplish this). Most of the columns are loading properly, but I have many columns that I need to convert.
I have been using the Data Conversion dataflow task in SSIS to convert the rows.
I have 2 data conversions that work on most of the columns, but the DESCRIPTION column continues to return an error saying "Cannot convert between unicode and non-unicode types", regardless of what I choose on the Data Conversion task. So, basically I want to dump this column data into a SQL table with NVARCHAR datatypes. Here is what I am doing in my SSIS package...
1) Grab subset of data from SOURCE
2) Converts to TEXTSTREAM. (Data Conversion)
3) Converts to STRING. (Data Conversion)
4) Load Destination table. (OLE DB Destination)
I have also tried to simply convert the values to STRING, but that doesn't work either.
So, I have 2 Data Conversions working here that process most of the data correctly. What I can do to load the DESCRIPTION column?
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Apr 6, 2006
I have an Excel Source component hooked to an OLE DB Destination component in my SSIS 2005 Data Flow Task. After I mapped the excel columns to the OLE DB table columns i get these errors below. I noticed that for the first error, the Excel Field format (when you mouse over the column name in the mappings section in OLE DB component) is of type [DTWSTR] and the corresponding SQL field from my SQL table that it's mapping to is of type [DT_STR] when mousing over that field in the mappings in the properties of my OLE DB component. All table fields in SQL Server for the table I'm inserting into are of type varchar.
print screens here:
http://www.webfound.net/excel_ssis.jpg
http://www.webfound.net/excel_to_oledb_mappings.jpg
Package Validation Error
------------------------------
ADDITIONAL INFORMATION:
Error at Data Flow Task [OLE DB Destination [27]]: Columns "Commission Agency" and "CommissionAgency" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Column "Product" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Columns "Officer Code" and "OfficerCode" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Columns "Agency Name" and "AgencyName" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Columns "Agency Id" and "AgencyID" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Columns "Tran Code" and "TranCode" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Columns "User Id" and "UserID" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [OLE DB Destination [27]]: Columns "Acct Number" and "AccountNumber" cannot convert between unicode and non-unicode string data types.
Error at Data Flow Task [DTS.Pipeline]: "component "OLE DB Destination" (27)" failed validation and returned validation status "VS_ISBROKEN".
Error at Data Flow Task [DTS.Pipeline]: One or more component failed validation.
Error at Data Flow Task: There were errors during task validation.
(Microsoft.DataTransformationServices.VsIntegration)
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Mar 7, 2008
Hi,
I have spent countless number of hours trying to solve the issue, but to no vail. My problem is SSIS throws "cannot convert between unicode and non-unicode string data types" when i am try to transform data from DB2 to SQL Server 2005. And please note, i tried all possibilities like changing the destination field which is in SQL Server 2005 to nvarchar and also text. But so far no help. And i also looked at previous posts which did not help me either.
Thank You in advance.
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May 26, 2005
SQL Server 2000, ASP.Net 1.1
I've been writing this stuff for a while, and can't seem to come to the
conclusion of how I should be retrieving data and assigning this data
to variables.
Since i'm using SQL Server, I'm convinced that I should be using the
datareaders GetSqlDouble (or whatever) function, but this would mean i
need my local variables to be one of the SQL types. The problem
with that is, that there will have to be lots of conversions done by me
to be able to use a SQL type in my application.
For instance, I have a class where i'm retrieving dates. In order
to retrieve them correctly (Null values included), I need to retrieve
them with GetSqlDateTime(), then when it comes time to display the date
in a table, i must first check for nulls, then convert to a
string. This seems to be very cumbersome. Would I be better
off just using GetDateTime(), and the .ToString method, and ignoring
Sql Types all together?
so, basically, how are you guys using your sql server data? with
the supplied sql types, and doing all of the post-processing work
manually? I feel like i'm having trouble conveying my
issue...hopefully someone knows what i mean....i'd just like some
direction to save trouble in the long run, since i feel like there's
got to be a better way...
Confused!
Thanks,
JJ
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Oct 20, 2007
Hi,
I´m exporting an ms-excel file, then I use a lookup transformation to get a field from a SQL Server 2005 table. The Lookup transformation editor, after selecting the table, shows a warning that says:
at least one mapping between a column from available input columns ans a column from available lookup columns must be defined on the columns page.
So I try to make a relationship in the Lookup transformation editor's column tab where I find the Available input columns and the available lookup columns but I get the following error:
The following columns cannot be mapped:
[Department, DEP_CLEGALCODE]
One or more columns do not have supported data types, or their data types do not match.
The field in SLQ Server is varchar(10) and the input field is a derived column transformation; I have tried different Data Types but I always have the same error.
The DataFlow is: ExcelSource --> Derived Column --> Lookup --> Flat file destination
thanks.
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Aug 15, 2006
Dear Experts,Ok, I hate to ask such a seemingly dumb question, but I'vealready spent far too much time on this. More that Iwould care to admit.In Sql server, how do I simply change a character into a number??????In Oracle, it is:select to_number(20.55)from dualTO_NUMBER(20.55)----------------20.55And we are on with our lives.In sql server, using the Northwinds database:SELECTr.regionid,STR(r.regionid,7,2) as a_string,CONVERT(numeric, STR(r.regionid,7,2)) as a_number,cast ( STR(r.regionid) as int ) as cast_to_numberFROM REGION R1 1.00112 2.00223 3.00334 4.0044SELECTr.regionid,STR(r.regionid,7,2) as a_string,CONVERT(numeric, STR(r.regionid,7,2) ) as a_number,cast (STR(r.regionid,7,2) as numeric ) as cast_to_numberFROM REGION R1 1.00112 2.00223 3.00334 4.0044Str converts from number to string in one motion.Isn't there a simple function in Sql Server to convertfrom string to number?What is the secret?Thanks
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Feb 4, 2006
Hi,
Please help me to know this question.
How many types of UDF are in SQL SERVER 2000?
Please tell me if anybody knows the answer.
Thanks in advance,
Joydeep
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Mar 13, 2004
HI i have a big problem i have an exericse to do on SQL for school but i havne tbeen told what they are. All i have to do is to match the follwing togehter and say why they would use it any ideas?
DDl-
DML-
DCL-
these need to be matched up to certain users:
Database administartor
Users
Application develpers any ideas
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Nov 29, 2007
in my work I use some "objects", that i tune using "Parameters"
So i have table MyObjects And ObjectParameters-OP
In the table OP i want field for Parameter Type(Type)... now i using type Varchar(63) and then i need for parameters of money type, i will get it by SELECT * FROM ObjectParameters WHERE Type = 'money'...
at the sql.ru i got an answer, where they suggest me using type "sysname", in MSDN i have found that it is equivalent nvarchar(128), i a cant find any differences between my solution and sql.ru solution.
AND main question is.. can i using ID for my types from View sys.types, And can i be sure that it will be the same ID in another version SQL Server (like 2000, 2008) or another installation of SQL Server for same type...
sorry if i have misstakes in my english...
Thanks In Advance...
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Jun 2, 2007
Hi,
When creating a database in the Management Studio, you get to select the database owner, and should that be usually the Administrator and ASPNET account?Also, what is this Object Types option for? There seem to be only one "Login" option in there, what does that serve as?
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Sep 21, 2007
i want to check the price of sql server 2005 in my country as a consideration to take when deciding on wich db to build.i dont understand the licensing method. what 5 clt stands for ? whats the basic 64 bit 1 processor dual core license i need for a commercial website ? thanx,
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Dec 29, 2004
Hello,
I have a really dumb question regarding SQL data types. I have a couple columns in a table that are specified as MONEY. These columns are being read from my web app and displayed on the website for reference when filling in other information.
My problem is that when it is displayed on the website it give four decimal places instead of two. For example I want it to report $33,000.29 but what is actually displayed is $33,000.2965.
How can I set up either SQL or my web app so that it only displays the two decimal places? I've looked into changing the datatype already but SMALLMONEY and MONEY have the same type of decimal values.
Thanks!
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Jun 12, 2006
Hi,
I am getting this error: {"XML parsing: line 1, character 43, unable to switch the encoding"} System.Data.SqlClient.SqlException when I run the code below.
I know it is caused by the fact that the encoding of the XML file I'm trying to insert is not utf-16, but rather utf-8. However I would like to be able to enter any encoding. Is this possible?
If not is there a way to convert the encoding before I insert? Or any other ideas anyone might have. Thanks!
XmlDataSource xds = new XmlDataSource();
xds.DataFile = tbLink.Text.Trim();
xds.XPath = "rss/channel/item";
XmlDocument xmlDoc = new XmlDocument();
xmlDoc = xds.GetXmlDocument();
string strConn = WebConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
sqlComm.Parameters.Add(new SqlParameter("@XMLData", xmlDoc.InnerXml));
strSQL = " INSERT INTO tblCastStore ( intCastID, CastXML ) VALUES ( @@IDENTITY, @XMLData );";
sqlComm.CommandText = strSQL;
try
{
sqlConn.Open();
sqlComm.ExecuteNonQuery();
sqlConn.Close();
}
catch (SqlException se)
{
lblError.Text = se.Message;
}
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Aug 7, 2001
I hope someone can help me.
I am running a visual basic program which creates a recordset based on a stored procedure. No matter what cursor type I set I always end up with a static cursor on my recordset. I think the stored procedure is over-writing the cursor type. As I know very little about TSQL, I don't know how to fix this.
Any Ideas?
Barney
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Aug 29, 2001
I am looking for a chart of SQL Server data types and information about them, such as usage, constraints, etc. Could anyone point me in the right direction?
Thanks
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Oct 2, 2000
I'm just getting used to using SQL 7 Database and am looking for some recommendations on what DATA TYPES to use when designing tables.
The site I am working on now uses cold fusion to enter, update, and insert mainly text and articles. Now the problem with the articles is that some of them are pretty big. And when inserting or updating them, if they go over the limit of characters I get an error.
I know in access I used to use the data type "MEMO" and be able to put a large piece of info in that field.
What's the equivalent for SQL server databe?
What are the most used/common or recommended data types that should be used when putting tables together?
Thanks
George
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Jun 24, 2003
Hello, dear Friends!
My situation is a following:
I have some not big databases with only English data and some conteining data in Hebrew.
My question is: May I manage two collation types- meaning the database collation type will be for example some kind of Latin and some databases' collation will be in Hebrew.
If you have any experience of managing DB's in two absolutely different languages (Japanesse, Russian, Chinesse, Arabic with English) please tell me about it.
Best regards.
Marina.:rolleyes:
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Nov 21, 2003
hi, i'm trying to build an online forum using sql server 2000 and coldfusion mx.
could anybody help me as to what datatypes i should use for my database fields?
i'll be using 2 simple tables to start with, ie TOPICS and POSTS. each will contain fairly basic information such as name of poster, time, data, title, message etc.
any help would be greatly appreciated.
thanx, zaffi.
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Jun 9, 2004
Which data type do I need to assign to my field to let users enter characters such as +=-_| etc....pretty much every single character from a standard keyboard....
thanks
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Nov 16, 2007
i am using sql server 2000, i am new to databases, could you please tell me what are the different character types, example "varchar , numeric...etc"
How to find out the difference between them....
Where do i find a tutorial for this kind of basic knowledge ?
regards
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Apr 23, 2008
I have a table that I want to use for reports that holds these datatypes
safe: Integer
unsafe: Integer
made_safe: Bit
unobserved: Bit
Which gets populated.
I want to count the values in each field but Bit fields seem to be awkward. This is my attempt
SELECT
SUM(safe)as TotalSafe,
SUM(unsafe)as TotalUnsafe,
COUNT(Case WHEN unobserved = 1 THEN 1 ELSE NULL END)as NotSeen,
COUNT(Case when made_safe = 1 THEN 1 ELSE NULL END) as TotalMadeSafe
FROM myTable
Any ideas please
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Sep 13, 2006
Hi All,
I want to know how many types of edition available for SQL2000 and SQL2005 respectively.
thanks.
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Mar 29, 2007
hello,
is it possible to have several replication types within the same database?
for example, for two tables i want "merge replication" with a central server, where twice a day data is merged?
and for three other tables, i want "transactional replication" with a central server, where data is immediately inserted?
thanks
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May 10, 2007
Hi,
I am pretty new with SQL and was dabbling in a test database that is linked with a software application.
I made a change to a table - Lets call this (Table1).
Table1 has a multiple columns.
Column1 is defined as numeric(9)
Column2 is defined as varchar(20)
In this case, I wanted to make all values in Column2 = Column1 that did not have a value defined so I ran the following query:
update Table1 set Column2 = Column1 where Column2 = ''
This took effect but the particular software application doesn't recognize these values because they are the wrong data type.
How can I convert all data in a column to varchar(20) if it is another data type (i.e. in this case numeric(9))?
I've tried in Enterprise manager to redesign the table and adjusted the length to 21 and then back and saved it but this did not work. I was looking at Convert and Cast functions but don't know how to write one to accomplish what I need to do here.
Half of the data in Column2 is varchar(20) and half is numeric(9).
I want all to be varchar(20).
Thanks,
asyncd
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Feb 14, 2008
Im comparing values. if i add the values which is numeric or monetary in the column and if it is greater than zero it will insert to a table, but the datatype of my column([Day 30 AMT] etc. is char. i want to implement like these like these because it cant return a result if i query..
FROM tbl1 a LEFT OUTER JOIN tb2 b
ON a.ID = b.ID
WHERE b.ID IS NULL AND
a.[Day 30 AMT] + a.[Day 60 AMT] + a.[Day 90 AMT] + a.[Day 120 AMT] + a.[Day 150 AMT] + a.[Day 180 AMT] + a.[Day 210+ AMT]) > 0
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Mar 13, 2008
What is the difference between int and numeric data type in sql server 2000. When I should use which?
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Jul 20, 2005
what is the equivalent data type of autonumber of access in sql server?
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Sep 6, 2006
Hi,
I want to store a decimal value which I get from an execute sql task into a package variable. Which data type should I specify when creating the package variable?
Thanks,
Tom
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Nov 5, 2007
I have a code that looks something like this
DELETE FROM [SERVER1].DB.dbo.Table1
I'm wondering when it's connectig to SERVER1, is it using windows authentication? is there a way to setup so it uses SQL Server Authentication?
Thanks,
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