i was thinking what happens if after many years of works of a big website with huge database and high daily visits an id column of a table gets near the maximum length of int ?
i mean is there any way to reset that in the table and related tables ?
how can i convert the column data in datatable to integer array the column data in datatable stored as:
1
2
3
4
after store to integer array,how can i get the max value in array
I have the following code reading in my xml file and sorting it by ID:
Dim ds As New DataSet
ds.ReadXml(Server.MapPath("/posts.xml"))
Dim dv As New DataView(ds.Tables(0))
dv.Sort = "id desc"
The only problem is that it isn't sorting it numerically (it's sorting it alphabetically 1, 10, 11, 2, 24, 3, 4...). It appears as though I have to convert that column into integers, but I haven't been able to figure out an efficient way to do that.
im ds As New DataSet
ds.ReadXml(Server.MapPath("/App_Data/posts.xml"))
'ds.Tables(0).Columns(0).DataType = TypeOf(Decimal)
Dim dv As New DataView(ds.Tables(0))
'dv.Sort = "date"
How do I sort a data table based on a particular column which has integer values in ascending order?
I wrote this:
'Sort the datatable based on sequence id leadtable.DefaultView.Sort ="Id" But it doesnt seem to work Datatble is defined as:
[Code]....
I have a grid with rows of data, but the page will fail have several postback. I check it with fiddler and find that view state expands 2-3 times after each post back.
The thing I did to trigger the post back is searching and sorting. I am not sure how it happens.
I am having a problem in uploading a file that is greater than 2mb. In here I use a blobdata (bytBLOBData). Here's the code for reference.
try
{
OpenFileDialog myOPD = new OpenFileDialog();
myOPD.Filter = "Image files (.pdf)|.pdf";
if (myOPD.ShowDialog() == DialogResult.OK)
[Code]....
I've research about this problem before, some forums told me that I should use a CommandBehavior.SequentialAccess, but I don't get it right.
I have a @message parameter in SP, user sends an Integer value in that message. For Ex: @message = 'This is, a Test message 500000 and the message ends.'Now i want to get only that 500000 value from this @message param. There is no delimiters for identifying the integer value and in that param contains only one integer value
create procedure st_test (@message varchar (4000), @result int output)
as
begin
//LOGIC for get the interger value
end
in my asp.net webform i have image that hold picturehow to make this picture bigger when i move the mouse on her ?
View 3 RepliesThere is one table which primary key is ID and its data type is Integer with auto increment. Gradually the value has increased and I want to change it to hold large amount of value.
So, Which in data type I have to change from Integer without effecting the previous values?
I am building a web application using sql server reporting services. As part of my application, I present the report onwards to the end user using the report viewer control.
The reports that I have created are mostly very squeezed. That means that I have several graphs on the same single report.
What I want to do, is give the user the ability to focus on a single report. I've created the appropriate client side code, though now I am faced with a rather tedious problem. The image that the report reviewer renders is relatively small (as I needed to fit several graphs on the same single report). when I try enlarging the graph's image on the client side, it gets stretched. The image is rendered small!
How can I instruct SSRS to create a bigger image of the graph? Can I specify anything in the underlying querystring?
[URL]
i have atable:
STDNo nvarchar(6) //student number primary
CID nvarchar(7) //course ID primary
DNo int //Department Number primary
H1 int allow null // Home work 1
H2 int allow null
H3 int allow null
H4 int allow null
H5 int allow null
Q1 int allow null //Quize 1
Q2 int allow null
Q3 int allow null
Q4 int allow null
Q5 int allow null
HE1 int allow null
HE2 int allow null
FExam int allow null // Final Exam
and stored procedure like this:
ALTER procedure [dbo].[AddMonthlyMarks]
(
@STDNo nvarchar(6),
@CID nvarchar(7),
@Dno int =isnull,
@H1 int,
@H2 int,..........................
the Data key name of grid is STDNo the problem is that the instructor this month will add only homework1(h1) for specific student number or to all students and rest of home works and quezies will not entered (Null), to the next month he will enter home work 2 ,etc... i get an error and i think that the null values for others home works in grid make this error caution: in table i check allow null property,the data type is integer How i can convert this null values to integer?
I created some buttons and a label inside UpdatePanel. Upon clicking the buttons Label's text changes as configured. Lovely. Now how do I go about making a bigger piece of content change (without page refresh) using the same buttons? (Basically I'm trying to build Ajax tabs)I tried making the button click event change ContentPlaceHolderID value on some Content controls but that doesn't seem to work.
View 3 RepliesI want to copy data from a table[tblExcel][No.of columns:2] to another table[ev_event] which has 5 columns, 2 columns from the another table, 3 columns from user defined value
[code].....
I have a table converted from Access and the identity keys were lost. Now I need to make the id column the identity column, but it already has a lot of null values, how do I auto generate integer values for the null rows? The row ids are incremented, so if there is a way to auto increment the ids
View 7 RepliesI am creating dynamic view using two tables.one is emp_Tbl and 2nd table emp_salary which is created dynamically .creating view it gives error 'Create View or Function failed because no column name was specified for column 2.
my code is: create view [dbo].[Emp_Salary_pay] as select dbo.Emp_Tbl.Emp_Status, (select column_name + ', ' from information_schema.columns where table_name = 'Emp_salary' ) FROM dbo.Emp_Tbl INNER JOIN dbo.Emp_Salary ON dbo.Emp_Tbl.Emp_Id = dbo.Emp_Salary.Pay_Emp_Id
I have a SQL Server 2005 database which is queried by a web service which is called by an aspx page.
I inherited a messy and inefficient project, and I was working on cleaning up a GridView by making it dynamic and by having consistent field names in the database when I started getting an error of - Sys.WebForms.PageRequestManagerServerErrorException: Invalid column name: 'ASSIGNED_TO'
Assigned_to does not exist in the database, in the web service, or in the website solutions in any place. It was the name of one of the fields in one table, which I changed to USERID so that either of two datasets would fit into a Gridview (all other fields were the same). I then replaced all references of ASSIGNED_TO with USERID, which is when the issues began. The first of the two queries below causes the exception to be thrown, but the second one does not. I have tested both with the WCF Client and with a query within SQL Server to verify that they do work, so the issue has to be on the website side.
sSQL = "select distinct B.BADGE_NBR, a.REGId,B.CYC_RTE, b.USERID, a.MTRREAD,A.NEWMTRNUM, a.COMPTIME, B.FA_TYPE, CASE WHEN A.MTRCOMMENTS <> 'Null' THEN '*' END as Comment,a.MTRLAT,a.MTRLONG,a.WOFAID, b.ADDRESS, a.MTRREADFLAG, b.ROUT_SEQ from MobileDataReturn a,WORKORDERDIPATCHFILL b Where a.RegId = b.REGID and a.WOFAID = b.FA_ID and B.CYC_RTE " & route & "' and b.USERID " & worker & "' and B.BADGE_NBR " & badge & "' and a.MTRREADFLAG " & readflag & "' and b.FA_TYPE " & fatype & "' Order by a.COMPTIME desc"
sSQL = "select distinct BADGE_NBR, REGId,CYC_RTE, USERID,MTRREAD,NEWMTRNUM, COMPTIME, FA_TYPE, CASE WHEN MTRCOMMENTS <> 'Null' THEN '*' END as Comment,MTRLAT,MTRLONG,WOFAID, ADDRESS, MTRREADFLAG from MobileDataReturnArchive Where CYC_RTE " & route & "'and USERID " & worker & "'and BADGE_NBR " & badge & "' and MTRREADFLAG " & readflag & "'and FA_TYPE " & fatype & "' Order by COMPTIME desc"
The Gridview:
[Code]....
The language I am using is C#.
I have the folowing dillema.
DateTime A, DateTime B. If A < B then I have to calculate the number of days per year in that timespan and multiply it by a coeficient that corresponds to that year.
My problem is the fact that it can span multiple years.
For example:
Nr of Days in TimeSpan for 2009 * coef for 2009 + Nr of Days in TimeSpan for 2010 * coef for 2010 + etc
Heres the situation: I need update a column from my table (T1) from two other columns in a different table (T2).
My constraints are:
That I have to match the first 4 letters of a column in T2 to one column in T1 I have to identify that the first letter in a column in T1 corresponds to one letter in the middle of a string in a column in T2 For instance:
My Table (T1):
Order Type Combined
Place
0090 0001 YYXX 1YY
0091 1001 YYXX YYY
0092 1002 XXXX 2XX
Table 2 (T2):
Order Value
00900001YY XX
00911001YY XX
00921002XX XX
The Combined column in T1 is what i'm trying to complete. The T1.Place column contains the first character that I want to check for.
If it's a "1" then I want to make sure the 5th letter in T2.Order is a "0" If its a "Y" then I want to look for a "1001" If its a "2" then I want to make sure the 8th letter is a "2" in T2.Order
If all that matches then I was the last two letters in T2.Order + T2.Value to be combined and put into the appropiate spot in T1.Combined
Here's what I have:
[Code]....
I know it's a little complex, but i'm really stuck on it and any help would be greatly appreciated.
I am facing a problem here. I have a column where the value is equivalent to my identity column's value. For an example, I have a column A store is "ABC0001" and the 0001 is came from a column called Column B which identity on. when a new record inserted and Column B is next identity number and Column A value is "ABC" and add number from Column B.
View 4 RepliesI'm trying to figure out how add extra logic to this derived column expression:
LEN(TRIM(pup_date)) == 0 ? NULL(DT_DATE) : ((DT_DATE)(SUBSTRING(pup_date,5,2) + "-" + SUBSTRING(pup_date,7,2) + "-" + SUBSTRING(pup_date,1,4)))
If there's a 0 in the field the code inserts a null. Otherwise it inserts a date. How can I change this to insert a NULL if a question mark "?" appears in the column?
This is what I tied using the OR operator but it's not working:
LEN(TRIM(pup_date)) == 0 || LEN(TRIM(pup_date)) == "?" ? NULL(DT_DATE) : ((DT_DATE)(SUBSTRING(pup_date,5,2) + "-" + SUBSTRING(pup_date,7,2) + "-" + SUBSTRING(pup_date,1,4)))
I need add one New column between Two column .. how do that ..
View 2 Repliesi need one Add new column between two column... i have using sql 2005...
View 3 RepliesI have one table(tableName is getDetails and having three column ID, Name, City)
View 6 RepliesI run a web site with VB.Net and Sql Server, at a web host (so I use one instance of their Sql Server db). I now get this nasty message when trying to access the web site: Column 'kryptotext' does not belong to table tabellen. I have seen this before (but with other columns mentioned), and when I spoke to the tech guys they said that the server gives up after five (or so) invalid requests. The old problems I had were due to the fact that I had used Application variables - at least the problems appeared when I added the variable and diappeared when I deleted them.
This time, I have done very little. I ran a new check when some items of a gridview were databound, and if a condition was ok, then a mail should be sent and an update take place in the db. For now, this will not be true, so the new code doesn't fire, and I have now reverted to the old code anyway. I got htis message this morning, and then it has worked the entire day without me changing the code at all, and now it stopped working again, so to me it seems as if it's either not my code's fault, or I somehow flood the db server with requests (but the web site is new so there are really no users yet). One more thing I have added: I imported the Net.Mail namespace to the baseclass I'm using for the aspx pages, but I can't believe that has anything to do with this.
I asked the tech guys again, and the server has been working the whole day. Here's the web site: [URL] I am able to connect to the admin part of the web site, so it's just the public web site itself that doesn't run. What should I do? Edit: Now, 30 minutes later, it works again. I haven't done anything, in fact I had dinner now.
I've implemented URL routing in my application and the URLHandler class I have for this particluar module will lookup the FolderID and place it in HttpContext.Items
On the page that user ends up with has the following code:
[Code]....
My question is this: what if there's an error and intFolderID does not get a value assigned to it. I'd like to at least instantiate it and give it a value of 0 so that I can do some validation. How do I assign a default value of 0 to this variable?