Hi, How can I update the column value (programmatically) in a Row of a DataTable via use of the RowChanged event, without triggering infinite loop? (which I currently get) Note I do not want to use the DataColumn.Expression property. For example the following gives me a recursive loop and stack overflow error: DataColumn dc = new...
with a moderm browser, the jquery datatable plugin works very well but in ie6 i find that its almost impossible to type in teh filter textbox as the keypress filtering is insanely slow so the browser can't keep up with your typing. is there anyway to change the behavior so that it only searches and filter on enter key compared to every ...
Hello, I've a datatable with a column containing GUIDs. I want to select a row matching a specific GUID. I wrote the following code, DataRow[] dRows = dtListSettings.Select("ListGUID = " + Convert.ToString(ViewState["GUID"])); The GUID i'm comparing is 500c2b6a-a3a7-457f-90ed-c96768d91520. But i'm getting the error - Syntax error: Mi...
I have a datagrid in my View with it's ItemSource bound to a DataTable in my ViewModel. When I update the DataTable programmatically (adding a column through a command) the changes are not populated to the View. Also, if I invalidate the View, by switching to another tab and then switching back, the changes made are shown. My ViewModel ...
DataTable dt = new DataTable(); dt.Columns.Add(new DataColumn("ValueOne",typeof(string)){AllowDBNull = false}); dt.Columns.Add(new DataColumn("ValueTwo",typeof(string)){AllowDBNull = false}); DataRow row = dt.NewRow(); row["ValueOne"] = "Test1"; if (dt.Rows.CanAdd(row)) { dt.Rows.Add(row); } Is ...
I have a large DataTable cached in my web app that is the result of a complex query that returns a large data set. Whilst this data table is cached the query that runs to "refresh" this cache still takes a long time, largely due to the sheer amount of data being returned. In order to speed this up I am considering implementing a timesta...
I have a C# web service that returns a DataSet with multiple DataTables. It's easy enough to get at the data using this web service event handler in Flex: static public function getData_Handler(event:ResultEvent):void { for each(var table:Object in event.result.Tables) { // ... } } How can I access the name of ea...
Using C# / .NET 3.5. Currently I'm populating 2 DataTables one after the other using SqlDataAdapter.Fill(). I want to populate both of these DataTables in parallel, at the same time by doing each one asynchronously. However, there is no asynchronous version of the Fill() method - i.e. BeginFill() would be great! One approach I've trie...
i m a part of an ERP solution team and want to measure the performance in terms of development. By a simple process a DataTable is populated from database with 10000 odd records and on other hand a List object is filled with the same records. my question is, which one is the lightweight and performance measurable object and why. ...
This is a C# Winform question. I have a DataGridView which is bounded to a DataTable. I construct the DataTable myself, which several DataColumn instances. When the DataTable is bound to the DataGridView, by default, every column is sortable by clicking the headers of the DataGridView. But the sorting behavior is something "by default"....
Hi.. I want to convert an datarow array into datatable.. Wat is the simple way to do this? Thanks in advance!! ...
Hi, I have been trying to achieve this functionality of expand/collapse of table rows using core JSF and also I have to preserve the sorting. Is there a way in core JSF where I can achieve this functionality? ...
Is it possible to progrmmatically generate id for the <tr> in datatable? ...
I was wondering how could I be able to show users warning or information to refine the search if their search result exceeds 100. For example: if the search results are more than 100 then display only hundred and show users warning to refine the search, in JSF/datatable. Any help would be highly appreciated. Thanks ...
I am trying to achieve the expand/contract functionality of table rows in JSF using core faces implementation. As answered in one of my earlier thread this is not straight forward to achieve in core faces implementation. So, I thought of using HTML + jQuery to achieve the functionality. I am calling the row with +/- gif as parent row and...
We have a text file with about 100,000 rows, about 50 columns per row, most of the data is pretty small (5 to 10 characters or numbers). This is a pretty simple task, but just wondering what the best way would be to import this data into a C# data structure (for example a DataTable)? ...
i have got any no of records in datatable with id field and other fields.. and i have got a arraylist which have got all id of datatable's records.. now i need to check that the perticular id exist in records or not.. for that i can check in datatable or i can check in arraylist (because arrylist also contain all those ids).. so please t...
Group, I have a table that is dynamically built with device ids. I have a "swapCell" that moves the cells up and down when the user clicks on (up/dwn) buttons. I have a delete row function that deletes current row. -Problem is: If I have six rows (1,2,3,4,5,6) and six id's (id=row1,id=row2,id=row3,id=row4,id=row5,id=row6) -And dele...
I have a requirement to convert LINQ to DataTable. I stole the following Extension Method from StackOverflow: public static DataTable ToDataTable<T>(this IEnumerable<T> items) { var tb = new DataTable(typeof(T).Name); PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public ...
For coonverting Linq to DataTable I am using the following Extension Method(Taken from Stackoverflow) Linq to DataTable public static DataTable ToDataTable<T>(this IEnumerable<T> items) { DataTable table = new DataTable(typeof(T).Name); PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | ...