Bind query result to datatablde
Sample in C# or VB.NET are welcome. I want to bind the following query result to datatable: Dim query = From c in db.Customers _ Where c.Status = "Active" _ Select c.CId, c.FirstName, c.LastName, c.Email Thanks. ...
datatable
Using LEFT JOIN inside datatable server side script
dear all, i'll take some data from the database. and join two tables.the code like: SELECT DATE(A.Inspection_datetime) AS Date, A.Model, COUNT(A.Serial_number) AS Qty, B.Name FROM inspection_report AS A LEFT JOIN Employee AS B ON A.NIK = B.NIK GROUP BY A.Model, A.Serial_number i want show this data using jQuery dataTable....
Dataset / Datatable issue
Hi! I'm using a dataset to store a datatable filled from a database. the content of this datatable is pulled out from more than one table (e.g. the datatable has the columns "user_id", "user_name", "user_address", store in the db in tables users and addresses, using a select - join statement). After editing the records in a gridview, i ...
How to use Case Conditions in LINQ To DataSets
I have a DataTable containing some records. Based on some conditions I have to filter records into two datatables. Say When row["ItemType"]==1 //Insert item into DataTable 1 When row["ItemType"]==2 //Insert item into DataTable 2 Else //Insert item into DataTable 3 How to do this in LINQ for a DataTable that contains a...
Fill DataTable from DataReader row by row
Hello, i want to fill a Datatable with a Datareader row by row but get an exception because the reader's columns have a different order than the Datatable's columns. Why and how does a Datatable loads itself with a Datareader correctly, even so it has a column collection with different order? I need to calculate values for every row s...
A column named [column name] already belongs to this DataTable
private void BindFields() { DataTable table = Globals.ConvertDataReaderToDataTable(DataProvider.GetFields()); _fieldCount = table.Rows.Count; dataGrid.DataSource = table; dataGrid.DataBind(); } The ConvertDataReaderToDataTable, provided by the DotNetNuke platform, throws this exception : A column named [column name...
C#, DataTable to ArrayList?
hello, I have a datatable with few rows each row has few columns I want to create an arraylist that countain all row as a string so each array item look like this {1;qwqww;qweqweqwe;qweqweqw;qwe} the items in the string will be separated with ; and it is a .NET 2 solution Thanks ...
Searching via DataTable.Select, BindingSource and foreach (C#, ADO.NET)
Hi, I have a DataTable X, if I now want to search for a certain entry, would it be faster/better to use BindingSource.Filter, X.Select() or just foreach? ...
XML from DataTable using Linq
This code XmlDataDocument xmlDataDocument = new XmlDataDocument(ds); does not work for me, because the node names are derived from the columns' encoded ColumnName property and will look like "last_x20_name", for instance. This I cannot use in the resulting Excel spreadsheet. In order to treat the column names to make them something mo...
new field added to sqlite table problem
I added a new field (type BLOB) to an sqlite table and the table size doubled from 50mb to 100mb. the field doesn't have any data in it yet. anyone know why this would happen? thanks for any help. ...
good/simple example asp:gridview describing all its functionalities?
I have a temporary datatable, private DataTable getmyDatatable() { DataTable dt = new DataTable(); DataColumn dc; dc = new DataColumn("Name"); dt.Columns.Add(dc); dc = new DataColumn("Age"); dt.Columns.Add(dc); dc = new DataColumn("Address"); dt.Columns.Add(dc); ...
Is there a YUI datatable after Render event?
I have some javascript I want to do post-render for a YUI datatable, but I couldnt find anything in their API for this. Did I miss it? ...
How to map the value of a h:selectBooleanCheckbox in a h:dataTable within a h:dataTable?
Hi folks, The h:selectBooleanCheckbox in question is in a h:dataTable (of Extras) within a h:dataTable (of Items) within a h:dataTable (of Categories). Many Items are displayed and each Item can have many Extras. <h:dataTable value="#{bean.categoryList}" var="category"> <h:column> <h:dataTable value="#{category.itemList}" v...
How to shorten these repeated jQuery plugin parameters?
I am using the DataTables jQuery plugin. The way I want my tables to work though mean I am passing a lot of parameters to the plugin to turn off things: $('table.data').dataTable( { 'aoColumns': [ null, { 'bSortable': false }, { 'bSortable': false }, { 'asSorting': ['desc','asc'], 'sType': 'blanks' },...
WPF HierarchicalDataTemlate for TreeView, binding flat datatable
Hello guys, I've got a flat ADO.NET datatable that stores hierarchy. There is a data relation between fields ID and ParentID of the same table which describes hierarchy and there could be any number of levels. I want to show hierarchy in WPF TreeView. I know that I should make unnamed HierarchicalDataTemplate with DataType: markup ext...
Get the BindingSource position based on DataTable row
Hi. I have a datatable that contains the rows of a database table. This table has a primary key formed by 2 columns. The components are assigned this way: datatable -> bindingsource -> datagridview. What I want is to search a specific row (based on the primary key) to select it on the grid. I cant use the bindingsource.Find method becau...
Help With TableAdapters And DataTables
I created a new table adapter inside a dataset.xsd. In the tableAdapter I created an update query to do a simple update on that table Update table set c=@c where d=@d AND e=@e I tested the query in the dataset and it worked. Now I am trying to use the query but it wont update the database or the datatable. What am I missing?? Also ...
Dataset update issue
Hi! I load a table from the db in a datatable belonging to a dataset. This db table has some constaints, so not any data can be inserted in it. but if i add some invalid data within the datatable, when i do the "dataset.update()" operation an exception will be thrown, and any valid data inserted after in invalid rows will be lost. Is t...
c# DataSet with 2 tables, how to delete a row from one it will delete a row from the other?
Hello, I use Visual Studio 2010 I have a DataSet with 2 tables one (MainList) has type, name, path, parameter the other (UpadteList) has path, hash, date I added files to this list and it work with out problem, now I have the following when I add file type "update" it will be "Update","My Program", "PATH-TO-/my.setup.exe","/minimize...
Datatable not null constraint
Hi! I need to implement on a datatable a not null constraint,to work and be used in the same way as the UniqueConstraint. Any ideas? ...