Web Forms :: Access The Row Index Of A Table ?
Feb 15, 2010how can we access the row index of a table which is created dynamically.
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Access :: Reading Data From Access With A Linked Table (pointing To A Access Table On Another Location?
Sep 7, 2010Here's a short explanation of my asp.net project.
1) the default page loads, it will read the Windows Login of the user opening the page.
2) I'll check if this login exists in a table stored on the webserver.
In this Access Database, there's a 2nd linked table, pointing to another access table on a network location. Now, I want to read data from this linked table. However, at this moment I receive an error:
"The Microsoft Jet database engine cannot open the file '\<ip><shared-folder>statistics.mdb'. It is already opened exclusively by another user, or you need permission to view its data".
Some extra info:
- The network folder has read and write permissions for everyone
- the user and group permissions on both access files are set to read/modify/administer for the Admin user (on the tables I want to read from)
- IIS authentication on the server is set to "Windows Authentication" (this is needed so I can read the Windows Login from the user). All other authentication modes are disables (like anonymous, ...)
- When the error occurs, no other program or process has access to the statistics.mdb (so, it can't be locked by someone else)
- the web.config files access connection string looks like:
<add name="AccessConnectionString" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\<IP><shared-folder>statistics.mdb;User Id=admin; Password=;" />
Like I said before, in this statistics.mdb file, there are 2 tables. One normal table, and another linked table (pointing to a network location)
Searching for solutions, I discovered the following:
- if I don't use linked tables, everything works fine (however, I have to use this linked table)
- even if I connect directly to the table in the network I receive the error. So, I'm pretty sure I don't have sufficient rights to read from this table.
I read that not the Admin user is opening the file, but actually a user called ASP.NET. This user doesn't have the correct rights to do this. However, I'm not sure if this is true.
Web Forms :: How To Import Exsisting SQL Server Table To Access Table(new Table)
Dec 10, 2010my main intention is that, the exsisting table of sql server database(.dbo) with 1000's of records, that should be import to a new access database table(.mdb).for example if we want to had a new table in db2, of exsisting table in db1 with some conditions by using "select * into New_Tabel from (select * from Exsisting_Table where <Condition>) as objectName". Here the new table is created and records inserted in one execution in db2. The same work should be done for access(sqlserver db --> Access db).Here the new access database table with given name (as string_sysdate) must be created dynamically by clicking a button (multiples time creating new table).Is there any query or c# code for sql server database to access database.
View 2 RepliesAccess :: Copy Access Table Data To Sql Server Table Programmatically?
Sep 23, 2010 Dim ds As New AccessDataSource
ds.DataFile = "c:InputTest.mdb"
ds.DataSourceMode = SqlDataSourceMode.DataSet [code]....
What Is The Difference Between Hash Table And Index Table
Aug 9, 2010What is the difference between hash table and index table? can any one explain me briefly. Also send me the hashing techniques.
View 2 RepliesWeb Forms :: Unable To Access Menu Item Based On Index
Jul 15, 2010I have Created Menu by Passing SiteMap file.
[Code]....
when i was accessing Menu Item Using this code i'm getting Count=0 and menu1.items[0] index is outof bound error..plz tel me how to resolve this problem..
Forms Data Controls :: Get A Correct Row Index After Refresh The Gridview Table?
Oct 21, 2010i am facing a problem to get a correct row index after i filter the data in table, it always keep the history row index in the table before i filter. i had a search button to filter the data in gridview,
below is my coding:
[Code]....
[Code]....
Access To Grid Columns By Name Not Index?
Dec 26, 2010is it possible to access grid column by name not by index grid.columns["name"] because if i add new column i must change all numbers
View 1 RepliesSet Of Values In Listbox - How To Access Index
Jul 2, 2013I have a set of values in a listbox on an ASP webform. I can select items, and in code, if the user selects some row from a different grid, the listbox shows the correct value. The user can also select a different value. All of this appears to work as I would expect. However, that's as far as it goes. At first, the SelectedIndexChanged event wasn't firing. I determined that was because I hadn't hooked up the event handler, which I did with this:
Code:
asp:ListBox ID="AgencyListBox" runat="server" OnSelectedIndexChanged="AgencyListBox_SelectedIndexChanged" EnableViewState = "true">
(the EnableViewState wasn't part of that solution. I added it later)
Now, the SelectedIndexChanged event fires, though it doesn't fire when the user selects something, it changes later, possibly in response to an AutoPostBack, since I read that will trigger the SelectedIndexChanged event. That's fine with me, either time will work ok. However, the SelectedIndex itself is always -1, as if nothing was ever selected. In fact, though I can see visually that something is selected, I have yet to figure out what that was, or how to access the index, the text, or anything even the fact that something was selected.
DataSource Controls :: How To Create INDEX For A Table
Jan 10, 2010I single table in SQL Server having 50 columns col_1 to col_50 having type varchar(MAX)..The table is having nearly 2 crore data into it which is unstructured i.e. just put in by bulk copy. I have to perform search operation on this table. How to index the table so as to make the search fast? or any other way to make the search fast.
View 2 RepliesDatabases :: Defining Index On Table Columns?
Mar 5, 2011On one of our tables, a default clustered index is defined on the primary key by sql server 2005. The table also contains forign key columns and has got over 2 million rows. There are very frequent INSERT, UPDATE and DELETE functions on this table. Recently some of the SELECT queries which primary operate on the forign keys have become very slow (resulting in application timeout). To fix the problem, I defined an index on one of the primary keys which gave me very quick results. I don't know much about indexes.
1. Since I defined a new index (on the forign key) in addition to the existing default index, what kind of index (clustered or non-clustered) have I defined?
2. What performance impact does it have on the rest of the system? Is it going to break something else?
3. I read about fill factor. What is this and how does it effect the system?
4. Is the new index physically going to make any changes?
5. In case I delete this index later on, will the database return to the existing state or it will be a different state from now?
Access Data Repeater's Item By Index Instead Of Explicit Name?
May 21, 2010Right now I'm using the following code in my markup:
<asp:HiddenField ID="TheName" runat="server" Value=<%#Eval("SpeakerName")%> />
I would like to use:
<asp:HiddenField ID="TheName" runat="server" Value=<%#Eval(0)%> />
I would like to be able to call it by index instead of explicitly by "SpeakerName". Is there a way to do this in ASP.NET 4.0?
Access :: Duplicate MS Record In The Index - Primary Key Or Relationship
Mar 6, 2011i created register page with unique primry username field , when customer enter exsiting username the register process will not complete and this error msg will appear Server Error in '/WebSite1' Application. The changes you requested to the table were not successful because they would create duplicate values in the index, primary key, or relationship. Change the data in the field or fields that contain duplicate data, remove the index, or redefine the index to permit duplicate entries and try again. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.OleDb.OleDbException: The changes you requested to the table were not successful because they would create duplicate values in the index, primary key, or relationship. Change the data in the field or fields that contain duplicate data, remove the index, or redefine the index to permit duplicate entries and try again. Source Error: Stack Trace:
[Code]....
Version Information: Microsoft .NET Framework Version:2.0.50727.4952; ASP.NET Version:2.0.50727.4955 how can i write it when customer press register button with duplicate username?
Access :: Append To Table 'a' From Table 'b' Where Lastupdate = Date() Returns No Records?
Nov 18, 2010I have an Access 2010 DB that I have a table of RAW data in. In my scenero when table 'a' has been populated all the rows with the updatedate of Now() get moved to another table... the SQL is like this...
[Code]....
As you can see it is a very simple query but it does NOT return any rows. There are actually 404 rows with todays date in teh Append_Date column.
I am stumped as to why it does not return rows?
Access :: Query In MS Access. Display Output Table In Visual Studio 2008?
Mar 25, 2010 Can a query output made in MS ACCESS be accessed as a database in Visual Studio 2008?
I have a Parent and Child Table in MS Access with a one-to-many relationship. I created a query in Access that would produce a result table and I want the contents of this Query to be displayed in a Data Grid in Visual Studio 2008.
Access :: Update Images Table In Microsoft Access DB Using File Uploader?
Jan 6, 2011I have 4 file uploader in my form to upload 4 images in the DB for each article submitted. My issue when I want update/edit my article with some new pictures and I want delete or update the old pictures with the replacement with the new one.
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MVC :: Index Showing A Records Or Multiple Table / Edit That Record?
Feb 26, 2011i have edit problem...still i giving u a code of index that showing a records or multiple table how can i edit that record?
TaskManagerDataContext _Context = new TaskManagerDataContext();
[Authorize]
public ActionResult Index()
{
var userId = Guid.Parse(Membership.GetUser().ProviderUserKey.ToString());
TaskRepository getTask = new TaskRepository();
var taskInfo = getTask.GetByUser(userId).ToList();
return View(taskInfo);
}
// Class TaskRepositor
public List<TaskDetailModel> GetByUser(Guid userId)
{
var getTask = from taskData in _Context.Tasks
join projectData in _Context.Projects on taskData.ProjectId equals projectData.ProjectId
join typeData in _Context.TaskTypes on taskData.TaskTypeId equals typeData.TaskTypeId
join statusData in _Context.Status on taskData.StatusId equals statusData.StatusId
where taskData.UserId == userId
select TaskDetailModel.CreateModel(taskData.TaskId, projectData.ProjectName, taskData.TaskName, typeData.TaskType1, statusData.Status1);
return getTask.ToList();
}
//Class TaskDetail Model
public class TaskDetailModel
{
public static TaskDetailModel CreateModel(int id,string project, string desc, string taskType, string status)
{
return new TaskDetailModel
{
Id = id,
Description = desc,
Project = project,
Type = taskType,
Status = status,
Date = System.DateTime.Now.ToString()
};
}
public int Id { set; get; }
public string Description { set; get; }
public string Project { set; get; }
public string Type { set; get; }
public string Status { set; get; }
public string Date { set; get; }
}
DataSource Controls :: SqlDataSource Query Not Using Index On Database Table?
Jan 20, 2011I have this sqldatasource:
<asp:sqldatasource id="SqlDataSourceX" runat="server" connectionstring="<%$ ConnectionStrings:MyConn%>" providername="System.Data.SqlClient"
selectcommand="SELECT ItemNum, MIN(DateAdded) as [DateAdded]
FROM Items WITH (NOLOCK)
WHERE [DateAdded] between @DateFrom AND @DateTo
[Code]....
When I call select in codebehind, after 30sec it throws timeout expired SqlException:
[Code]....
again , this select took up to 3 sec to be executed. In application I tried to use SqlConnection and SqlTableAdapter instead of SqlDataSource, with the same query, and again it took up to 3 sec.
If I choose tighter interval (e.g '2011-01-20 00:00:00' - '2011-01-21 00:00:00') , there is no timeout exception, so I know that sqldatasource select is executed correctly. So the conclusion is that sql server is not using index while executing query sent from sqldatasource, but is using index whenever else. I have also checked the index statistics on sql server and it is like that. In profiler i can see slight difference between this two cases. As for SqlDataSource, in events table, in first column "EventClass" after 30 sec, there is this: "RPC:Completed" and application throws timeout. If i use SqlConnection and SqlTableAdapter then at the same place there is this: "SQL:BatchStarting" and "SQL:BatchCompleted" and application does not throws timeout(the index has been used).
what is so special on SqlDataSource connection, that Sql Server performs differently compared to other types of connections?
Access :: Retrieve A Single Column From A Table In A Database(ms Access)
May 26, 2010I want to retrieve a single column from a table in a database(ms access) and then the value retrieved has to be converted to a string!!
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insert
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values
select *
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Web Forms :: How To Access The Contents Of A Column In Every Row Of A Table
Mar 5, 2011I need to populate a listbox with the contents of a column in every row of a table. But, the table and its columns are only known at runtime. Once a table is selected by the user, I will know the name and type of the column, whose contents I need to display in a listbox. But, how do you access all rows of a table sequentially so that the contents of the column in each row can be added to the listbox?
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Jun 7, 2010I have an asp table with 15 rows and 12 columns, each cell as an ID and the cell names are like Cell1, Cell2, Cell3, etc.
I need to change the background color of the cell but the name of the cell comes from a string.
Something like:
strCell = "Cell3"
strCell.bgcolor = "Red"
How do I "convert" this string to access the cell properties?
Forms Data Controls :: Tree View Set Slected Index / Auto Selected Index Change To Tree Node?
Jan 25, 2011I have two control page in my aspx page. first one left side "tree view",second one right side " form design".Form design will change based on tree view selected index changed.i have 4 level child node(site, master , slave, space). I have seperate forms to each level of node.
cannot update tree node when update the forms. so i reload tree view.
now i need how to auto selected index change to tree node.
ex.
1 parent node
1.1 child node
1.2 child node
i have update "1.2 child node" rename to "1.3 child node"
and reload treeview so it will chage...
how set tree node.selected index = 1.3 child node....
Access :: How To Clone An Access Table
Jul 22, 2010im not sure if this question qualify for getting started topic however here is what im trying to do:ive an access database with a table (no data) i wish to duplicate the table lets say tabOrigin with a different name; as since the table is empty i just want to duplicate the structure; fields name, size, type etc
View 5 RepliesWeb Forms :: Unable To Access Control In A Table Cell?
Feb 28, 2011i have created a form and organize fields on asp table , row and cell..
then i am putting my controls (dropdownlist, textboxes,,,etc) in different table ow cells
The thing is when i try to select the control in design mode .,.it select automatically the table i tried to select the control in asp code but it does not give me control on it in design mode..wiered..
How can i view my controls in design mode..in other terms how can i select my controls in design mode.