ADO.NET :: LINQ And Changing The Data Definition In DataClass When Sql Server Changes?
Aug 9, 2010
DBA has changed some data definition, in some table of sqlserver 2008, so, i resosed that it was not a problembut when i went to update my table in dataclass and my stored procedure, the DataClass has not changed the datadefinition!!!i must change on hand, and search my hand in the code "dataclass.designer.cs" every occurence of the field!!!!i tried also to delete table and stored, and replace it with newest, but nothing, it continued to show old data typeit was strange!why visual studio does not update dataclass? perhaps i deleted table and stored!!!
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Mar 23, 2011
I am getting this error:
CS1061: 'System.Data.SqlClient.SqlDataAdapter' does not contain a definition for 'Rows' and no extension method 'Rows' accepting a first argument of type 'System.Data.SqlClient.SqlDataAdapter' could be found.
Here is my code, what am I doing wrong?:
[Code]....
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Oct 21, 2010
In my mvc asp.net application,I am getting error in edit function : in given code
[Code]....
I am getting this exception:
Source : System.Data.Entity
Stack Trace : at System.Data.EntityClient.EntityCommandDefinition.ExecuteStoreCommands(EntityCommand
entityCommand, CommandBehavior behavior) at
System.Data.Objects.Internal.ObjectQueryExecutionPlan.Execute[TResultType](ObjectContext
context, ObjectParameterCollection
parameterValues) at
System.Data.Objects.ObjectQuery
[Code]....
1 forMergeOption) at System.Data.Objects.ObjectQuery
[Code]....
1 source) at
System.Data.Objects.ELinq.ObjectQueryProvider.b__0[TResult](IEnumerable
[Code]....
1 query, Expression queryRoot) at
System.Data.Objects.ELinq.ObjectQueryProvider.System.Linq.IQueryProvider.Execute[S](Expression expression) at System.Linq.Queryable.First[TSource](IQueryable`1
source) at admin.com.Controllers.DocsGridController.Edit(Int32 id) in
c:DataFinalCodeAC015acomMVCSourceCodeadmincomControllersDocsController.cs:line
307
Message : An error occurred while executing the command definition.See the inner exception for details.This error is generated when I connect with remote server.
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May 12, 2010
I have to be able to dynamically change the sproc name that is used in a Linq to SQL query. I see in the dbml designer this:
[Function(Name="dbo.InsertUnknownMessage")]
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Apr 7, 2010
EDIT: Purpose of this Website: Its called Utopiapimp.com. It is a third party utility for a game called utopia-game.com. The site currently has over 12k users to it an I run the site. The game is fully text based and will always remain that. Users copy and paste full pages of text from the game and paste the copied information into my site. I run a series of regular expressions against the pasted data and break it down. I then insert anywhere from 5 values to over 30 values into the DB based on that one paste. I then take those values and run queries against them to display the information back in a VERY simple and easy to understand way. The game is team based and each team has 25 users to it. So each team is a group and each row is ONE users information. The users can update all 25 rows or just one row at a time. I require storing things into cache because the site is very slow doing over 1,000 queries almost every minute.
So here is the deal. Imagine I have an excel EDIT(Excel is just an example of how to imagine it, I don't actually use excel) spreadsheet with 100 columns and 5000 rows. Each row has two unique identifiers. One for the row it self and one to group together 25 rows a piece. There are about 10 columns in the row that will almost never change and the other 90 columns will always be changing. We can say some will even change in a matter of seconds depending on how fast the row is updated. Rows can also be added and deleted from the group, but not from the database. The rows are taken from about 4 queries from the database to show the most recent and updated data from the database. So every time something in the database is updated, I would also like the row to be updated. If a row or a group has not been updated in 12 or so hours, it will be taken out of Cache. Once the user calls the group again via the DB queries. They will be placed into Cache.
The above is what I would like. That is the wish.In Reality, I still have all the rows, but the way I store them in Cache is currently broken. I store each row in a class and the class is stored in the Server Cache via a HUGE list. When I go to update/Delete/Insert items in the list or rows, most the time it works, but sometimes it throws errors because the cache has changed. I want to be able to lock down the cache like the database throws a lock on a row more or less. I have DateTime stamps to remove things after 12 hours, but this almost always breaks because other users are updating the same 25 rows in the group or just the cache has changed.This is an example of how I add items to Cache, this one shows I only pull the 10 or so columns that very rarely change. This example all removes rows not updated after 12 hours:
DateTime dt = DateTime.UtcNow;
if (HttpContext.Current.Cache["GetRows"] != null)
{
[code]...
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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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May 23, 2012
SqlCommand cmd = new SqlCommand();
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cmd.Parameters.Add("@id", SqlDbType.Int).Value = (Label)Convert.ToInt32(grdmsal.Rows.FindControl("Label1").Text);// //(Label)grdmsal.Rows.FindControls("Label1").Text;
cmd.Parameters.Add("@c_name", SqlDbType.VarChar).Value = ((TextBox) grdmsal.Rows[e.RowIndex].Cells[2].Controls[0]).Text;
I am using above i have a id field based on which i update the records. I dont want to display the id field to user the user just clicks edit against the row to be edited & should be able to edit above I get error nr find control
<Columns>
<asp:CommandField HeaderText="Edit-Update" ShowEditButton="True" />
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="Label1" Text='<%#Eval("ID")%>' runat="server"></asp:Label>
</ItemTemplate>
<asp:BoundField DataField="c_name" HeaderText="Name" /> </asp:TemplateField> </Columns>
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Jul 10, 2010
I am trying to create an event with a gridView and a c# method. So far I am getting this error:
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OnSelectedIndexChanged="ImageGridView_OnSelectedIndexChanged"
RunAt="Server">
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void ImageGridView_OnSelectedIndexChanged(Object sender, EventArgs e)
{
ImageDetailsSqlDataSource.SelectParameters["ImgID"].DefaultValue =
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Jun 24, 2010
I'm getting this error: inboxcontrol_ascx does not contain a definition for DeleteMsg and no extension method DeleteMsg_click accepting a first argument of type asp.inboxcontrol could be found (are you missing a using directives or an assembly reference?)example:
[Code]....
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Oct 22, 2012
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{
if (!Page.IsPostBack)
{
LoadData();
[code]....
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Jul 2, 2010
I have a problem that is really confusing me.. I'm trying get get info from a database and populate the relevant labels. I've got it working on one page, but not on another. The only difference is that the one that works is in a repeater.
My code is as follows:
[Code]....
The error I am getting is the following:
Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. review the following specific error details and modify your source code
appropriately.
Compiler Error Message: CS0117: 'System.Web.UI.Page'does not contain a definition for 'DataItem'
Source Error:
[Code]....
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May 7, 2015
When i click for bug an aplication.
it's always show this a notification
{"Both DataSource and DataSourceID are defined on 'GridView1'. Remove one definition."}
view on browser application
Line 33: Line 34: GridView1.DataSource = dtLine 35: GridView1.DataBind()Line 36: End SubLine 37:
This is an my vb code
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Me.IsPostBack Then
Me.BindGrid()
End If
End Sub
Private Sub BindGrid()
[Code] .....
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Jan 28, 2011
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Jul 23, 2010
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Sep 25, 2013
I am currently using LINQ to try and display data from SQL server in to the relevant text boxes on an asp.net form using vb.net. However when I run my form in Visual Studio the data is NOT appearing in the text boxes. To give you a better understanding of what I'm trying to do the code is displayed below.
Using my entities As New HEALTHENTITIES1
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Where txtName.Text= TBLLATEST_HEALTH.FORENAME + " " + TBLLATEST_HEALTH.MIDNAME
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[Code] ....
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Jan 20, 2010
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Mar 9, 2011
I'm a web developer and I work primarily in Django -- I've never used ASP.Net or anything like that before, but I'm troubleshooting a problem for a friend's parents / client so I need some advice!
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Literally just need to change the parameters of
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May 26, 2010
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See here: [URL] (unfortunately no remedy here)
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Jan 10, 2011
The problem is when am assigning my session table value to newly created table and if now am changing any coloumn name then the session table value also changing.
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for refference in my application
sessionState
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Jul 20, 2010
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Dec 22, 2010
getting error when changing modes from windows to mixed?
[Code]....
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Feb 20, 2011
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