Forms Data Controls :: In The SQL Server The 'phone' Field Is Set To 'varchar(30)' And Nulls Are Allowed?
May 18, 2010
My filter Expression was working fine with filtering by Control Parameters.When I added the Phone Parameter it went nuts - with the Phone Parameter the GridView just Comes out blank upon loading the page (without it would show Select * from Individuals)Is it because the phone field is populated with numbers? Don't get it.... In the SQL server the 'phone' field is set to 'varchar(30)' and nulls are allowed.here is my code:
[Code]....
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Jan 6, 2011
I have a Listview with a LinqDataSource. I am allocating a resoure called Bladder Scanners to clinicians on the day selected. The field in the database, 'Allocated_Bladder_Scanner_Id', allows nulls. The 'nullable' property of the field in the dbml is set to allow nulls.In the edit template, I have an unbound dropdownlist (drpBladderScannerDropdown) with an 'empty string' item added to cater for nulls, and
AppendDataBoundItems="true".In order to show only bladder scanners which have not yet been allocated on the selected day, I am databinding the dropdownlist to a dictionary of unallocated bladder scanners in the ItemDataBound event. I then add the currently selected bladder scanner as a listitem and set it as the selected item. So far, so good, all works well. However, if the clinician has a bladder scanner currently allocated, and then the user elects to not allocate the clinician a bladder scanner on that day by selecting 'Nothing' from the dropdownlist, the LinqDataSource fails to update the field. It does not throw an exception, it just doesn't set the field to nulls. In ItemUpdating I have the following code:
[Code]....
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Mar 7, 2013
Select number,empname,empfathername from emp
where number column is float data type
I need first four dights of number where it consists 10 digits.
num is 1234567890
O/P like to be
1234
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Sep 29, 2010
I have heard that even though the maximum varchar size is 8000, that we should not go higher than 7500 for the size value. What is the logic behind this advice?
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May 7, 2010
I am using:
href='<%# Eval("Directory")+eval("Agenda")%>
to provide a link to documents held in directory so directory contains [URL] or [URL] Agenda contains
00209-FebruaryMtgMin%5E_.pdf
If I declare Directory as VarChar(nnn) where nnn is large enough to accomodate the longer field, The statement <%# Eval("Directory")+eval("Agenda")%> returns
[URL]self.aspx/.Public/ 00209-FebruaryMtgMin%5E_.pdf
How can I get rid of the Pad characters?
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Mar 19, 2010
I am using a cursor to iterate through a small set of record (28), perform some maths on each record and then update the record / row.
The problem is the cursor pulls in all nulls for every field in every row
It also gives me 28 rows, 28 times (see below)
[code]......
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Jan 9, 2011
[code]...
I get the Subqueries are not allowed in this context. Only scalar expressions are allowed - i am going to run into this quite alot so I figuredI'd better see what the right way is!
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Jan 18, 2011
I have two database.one is "TEMS1" and another one is "TEMSLIVE"
"TEMS1" is my local database.
"TEMSLIVE" is client database.
my application is working fine while connecting to my local database. when connecting to client database("TEMSLIVE") it's shows "Msg 457, Level 16, State 1, Procedure GET_MY_TRAVEL_PENDING_ACTIONS, Line 53 Implicit conversion of varchar value to varchar cannot be performed because the collation of the value is unresolved due to a collation conflict." this error. i have compared "TEMS1" and "TEMSLIVE" stored procedure(GET_MY_TRAVEL_PENDING_ACTIONS),but both are identical only.
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Aug 12, 2010
My database includes a table with sever filds which are defined as (varchar(1),null), I tried using DBNull.Value, null, ' ' but cannot get a null inserted in that field of the database,
[Code]....
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Aug 16, 2010
how to sort a datatable (dataview) so that the second column is ascending but nulls are last.
I'm trying to do the following Date1 ASC, DATE2 ASC (but if DATE2 is null it is last in this Date1 group)
Note: Date1 can never be null so a Date2 that is null should still be grouped in with its Date1.
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Nov 19, 2010
I'm looking to find some command or control that will change fields in a detailsview insert a 0 if there was no data inserted into them. Some example code from my boundfield is:
<asp:BoundField DataField="Assignment_Travel_Time"
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Mar 4, 2011
I have been struggling with an issue with the Detailsview that I'm using only sending null values to my sqldatasource update. I have seen people on the forums with this problem before but none with my specifics. Essentially, I'm creating a master/details scenario but using ajax updatepanels. A Gridview holds the master records and upon selection of that record the Detailsview is populated and brought up in a modal box. This works fine to display the data in the Detailsview. But upon update all nulls are sent back. I've evaluated the NewValues collection in the Detailsview OnItemUpdating event, and see all nulls. I read a posthere that talks about the KB article KB941155; which states a problem with .NET not being able to find a bound control in template situations:http://support.microsoft.com/kb/941155I wasn't sure if this applied to me since I am using Master pages. A couple of other notes. I am using BoundFields in my Detailsview, as well as a sqldatasource with a stored procedure updatecommandtype. The DataKeyNames are being set correctly as well.
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Mar 22, 2010
i get the above error when i try to run this sql statement
INSERT INTO PSPS_Posts (Post, Date_Posted, user_ID, Thread_ID) VALUES (@Post, @Date_Posted, @user_ID, (SELECT Thread_ID FROM PSPS_Thread WHERE Thread_ID = (SELECT MAX(Thread_ID) FROM PSPS_Thread
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Feb 14, 2011
I'm working against a database that wasn't designed by me and in all the tables there is a CreatedBy field that is an int. Now when I generate against this db i get all kinds of errors because subsonic is expecting that field to be a varchar.
I don't particularly want to go and rename the field in all of these tables so I was hoping there was a way to "alter" or change the internal convention (without getting into the source) in subsonic.
Has anyone been able/done this in subsonic 3.0.4??
EDIT: I'm using the active record model in subsonic 3
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Mar 23, 2011
So I have a ntext column in a table with a combination of large random data (hence why ntext in the first place) and sometimes contains a uniqueidentifier.
I need to find and delete rows based on the uniqueidentifier.
I can't do the comparison with it being ntext, but I changed it to varchar(max) in my dev enviornment and it let me do it without any warnings and I can now do my comparison like I want to, so all is good.
I just want to make sure I'm not changing any of my large random data by changing the data type.
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Aug 9, 2010
<Conversion failed when converting the varchar value 'ID' to data type int.>am trying to insert datavalueField for a drop down list into a table column, its type is int. am using this syntax
[Code]....
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Oct 6, 2010
I have a PDF document with a number of text fields, several of which have a maximum length - namely, a maximum number of allowable characters. Is there a way using iTextSharp to determine this setting? Here's the code I have so far:
Dim reader As New iTextSharp.text.pdf.PdfReader("Foobar.pdf")
Dim inputFields As IDictionary(Of String, iTextSharp.text.pdf.AcroFields.Item) = reader.AcroFields.Fields
For Each key As String In inputFields.Keys
Dim PDFFieldName As String = key
Dim MaxFieldLength As Integer = ???
...
Next
I need to set MaxFieldLength to the number of allowable characters for the current form field being iterated over.
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Aug 25, 2010
Is it possible to allow repeated nulls on a column with a unique constraint? This column will won't always be populated with data upon insert, a condition must be met before the value is update. Once updated, it needs to be unique. Do I need to assign a temporary, random value or
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Oct 25, 2010
Here are my codes:
[Code]....
And here's the error I got:
Implicit conversion from data type sql_variant to varbinary is not allowed. Use the CONVERT function to run this query.
Description:
An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: Implicit conversion from data type sql_variant to varbinary is not allowed. Use the CONVERT function to run this query.
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Dec 2, 2010
Page1 contains GridView1 which displays info from Table1.GridView1 contains a CommandButton which, when clicked inserts the values of all columns, plus a calculated value which goes into an extra column into Table2 handled in the RowCommand event handler of GridView1.Page2 contains GridView2 which displays info from Table2.GridView2 allows the user to alter the value of one of the columns in Table2 using the standard Edit/Update link.All this worked well until...I added UserId and SessionId fields to Table2 (uniqueidentifier and varchar(MAX) respectively,I added the following code to Page1 Code Behind to insert these values from the RowCommand handler:
[Code]....
All of this works beautifully. But... I then added this code to GridView2's RowUpdating event handler:
[Code]....
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Jan 6, 2010
I have been attempting to find a solution for my phone number formatting problem for 2 hours now and I am not getting any closer. My 10 digit phone number is stored as a varchar(14) without any formatting (just 10 digits).
Here is the code to format the phone number in a gridview:
[Code]....
why the formatting won't work? It just displays the 10 numbers with no formatting.
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Feb 1, 2011
I want to change one of my table columns data type. Now the column data type is varchar and i want to change it to float. Updated all the column data to numeric and tried to convert the datatype with the following syntax
alter table vibration_values alter column dis_v float
but getting the error as
Error converting data type varchar to float.
The statement has been terminated.
Suprisingly every thing worked well in sqlserver 2005 and not working in sqlserver 2000.
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Jan 20, 2011
On my main page I have a repeater that pulls the last 3 entries from the database. I want to be able to add pictures to the database and show those in the repeater, but only if the column is set to true. I can't seem to get past the part about have the image show only if its supposed to.
Here is the code for my page:
[Code]....
Code Behind:
[Code]....
SP:
[Code]....
So my questions are: Is the repeater the correct control to use?
How do I only show the image control if the column "NewsImgShow" is true?
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Jul 21, 2010
I have a grid view with manual sorting. In some cells, the data are numeric and datetime. But due to some constrains, the data type on tables are varchar. The problem here is when I sorting those numeric data, it is treated as varchar.Eg: 1, 12, 13, 2, 23, 3, ...But I wanted the order to be: 1, 2, 3, 12, 13, 23, ...I have tried these method, but it doesnt works.
[Code]...
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Dec 5, 2010
I have read through a lot of post but cannot find the answer I'm looking for. I'm using expression web 4 and asp.net 4.0 gridview to show database search results. The search works fine but the phone number mask from the database is not coming over in the results. I have tried some examples with the database, if I remove the mask on the column in the table and manually type in the phone number (###) ###-####, it works in the results.
If I keep the mask in the database, the results are just ########## in a row. I have also tried to use the datastring under edit colums with
{0:(###) ###-####} in the box with no luck. I have the HTML encode to False and the HTML format string set to true. I still get just the straight line of numbers for the results.
The database is a Access 2007 template and I'm actually using Access 2010.
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