Where "optimal size" is "all rows and columns are visible, but not more". (e.g. no dark gray background is visible) Edit: To clarify: I dont want to auto resize the columns. I have fixed width columns and rows. I want to have the whole control resized. e.g. reduce the width if there is dark gray space visible, increase the width if not ...
I am brand spanking new to LINQ and am trying to use it in my current hobby project. I have a datagridview where the first cell of each row is a datagridviewcheckbox, and the 4th cell is a string. If the checkbox is checked, I need to add the 4th cell's value to a list. At first I tried: var selectedID = from c in multiContactLookup.S...
I'm trying it in C# language.. I don't know how to accomplish it. Please help me guys... Thanks... ...
I am unable to read a pasted datagridviewrow object from the clipboard. All I want to do is, when a user has the entire row selected and copied, I would paste that row into the clipboard as a DataObject. That works just fine but when I attempt to read that DataObject (after the user clicks Paste) the DataGridViewRow that's saved in the c...
I am using a generic approach to receiving a single row from any Oracle table and displaying it in a datagridview, using the code below. But, if the table contains a column of float type and the value has a large number of decimal places, I get "Arithmetic operation resulted in an overflow" at the line: MyReader.GetValues(objCells); ...
I have a datagrid and a PagedCollectionView with more than 1000 objects and a pagesize of 100. How can I add the PagedCollectionView to the datagrid such that when its scroll bar riches the bottom end will add an additional 100 rows to the datagrid? ...
I'm not exactly sure what's going on here--I tried to debug but couldn't really come up with any explanation as to why nothing is being written to my datagridview. Anybody have any idea? public partial class CleanPathResults : Form { public CleanPathResults() { InitializeComponent(); } public void RenameFolder(...
I am trying to improve the performance of a DataGridView hooked up to a collection of custom data objects. The collection doesn't actually change size once initialized (i.e., no data objects are added or removed once the list is loaded on start-up), but the properties of the data objects dynamically change, and the grid is basically supp...
hi every one nice job is it possible to update a data base which doesn't have primary key column with a datagridview?(in a winform program) i use sql express 2008,and wanna do this with dataset approach. Cheers ...
Hi friends my table name is nametable wherein i can store names like john bob I am projecting the table values in the datagridview, and i am using delete button, for that i have written code below. But it deletes the data in the table and not showing in datagridview. How to solve it? private void dataGridView1_CellContentClick(object ...
Anyone help me pls i am using windows forms c# ...
my chart loads data from a datagridview. Please how can i automatically update my chart with new data if new values are inserted into the datagridview. Thanks my chart is binded to table1 and table 2 in my datagridview. my datagrid gets values from a datatable. here is a sample: Dim myData As New DataTable wcAdapter...
Howdy, all! I'm still relatively new to LINQ, and have done more stumbling around than anything, but I have really liked what I have seen so far. So with that in mind, I have a VB.NET search routine, part of which is provided, below, that checks all Text cells in a DataGridView for a given string (inclusive), using a basic set of neste...
well i have a program and i developed it by C# and WPF with Visual Studio 2010 , i have an window that contains a windows form datagridview (because of use of .Net Framework 3.5 for windows 7 support) i want to user can sort data in datagridview in any style that he/she wants and finally he/she can press enter on a cell of datagridview ...
Hello. In my DataGridView I'am displaying a buch of columns from one table. In this table I have a column which points to item in another table. As you may already guessed, I want to display in the grid in one column some text value from the second table instead of and ItemID. I could not find a right example on the net how to do this. ...
Hi All, I need to use a the DataGridView control to display a large number of columns. I haveed a DataGridViewCell class that specifies a custom Paint method for each cell. I have add the columns like so..... int ColumnCount = 5000; DataGridViewTextBoxCell cell = new DataGridViewTextBoxCell(); for (int i = 0; i ...
This is what I am trying to achieve : 1)DataTable populated using data from non database source 2)This table is bound to a DataGridView using BindingSource 3)The DataGridView is updated by the user, so that some cells now have new values. 4)Because the table is bound to the datagridview its values are updated. How do i get only the updat...
I have a DataGridView bound to a BindingList (C# Windows Forms). If I change one of the values in an item in the list it does not immediately show up in the grid. If I click on the changed cell, or minimize then maximize the window it updates properly, but I need it to happen automatically. I had the same problem earlier, but in that si...
I have a DataGridViewCheckBoxColumn. I want the users to be able to set the value of this column to true or false. However, this column is only available if a different column has a specific value. When the column is not available, I set it to readonly and will set the value to indeterminate (null). However, the when the column is avai...
Hello: I am working on a C# project that reads an XML file and returns a list of lists. When I want to display a list I do this: IEnumerable<Foo> myFooQuery = from t in myLists.SelectMany( l => l.bar) orderby t.StartTime descending select t; dataGridView1.DataSource = myFooQuer...