datagridview

Why do I have to call the Cast<> extension method on a DataGridViewRow?

This doesn't work. var result = from row in grid.Rows where (string) row.Cells["COLUMN_1"].Value == "Test" select row.Cells["COLUMN_2"].Value as int?; But this does. var result = from row in grid.Rows.Cast<DataGridViewRow>() where (string) row.Cells["COLUMN_1"].Value == "Test" select row.Cells["COLUMN_2"].Va...

C# WinForms - how to send updates from DataGridView to DataBase

Hey, I have a .mdb file with a Customers table and an Agents table. The only thing that the Agents table does as yet is populate the Agent dropdown for each customer... I have a DataGridView linked to the customerBindingSource. The customerBindingSource has DataMember set to Customer and DataSource set to bindingSource1. This has the D...

Change Cell Type on Databound DataGridView to Custom DataGridViewCell Type

I'm using the code in this article to create a DataGridViewProgressCell which takes an integer between 0 and 100 and displays the value as a percent along with an image that looks like a progress bar in a DataGridView cell. This works fine when I'm not using a databound DataGridView, but when I databind to a list of objects with an inte...

C# WinForms - filtering one combobox based on the value of another combobox in a databound datagridview

Hey, I have 4 tables - Agents, Customers, Counties and Towns. Agents and Customers both have a Town field and a County field. I have a DataGridView for each table. These are working great. I have the Town and County as comboboxes using the Towns and Counties table as the datasource. The problem is that it does not filter the Town based...

Print a DataGridView

Hello. I want print a DataGridView with report viewer & RDLCs. Actually I want a document about RDLC & print. Please help me. Thanks alot. ...

Data binding in DataGridView

I've created a database (which contain some tables) in SQL Server 2005. In the Server Explorer of Visual Studio 2010 I have connection with this database. And I've added to form DataGridView object. In the DataGridView Task I've chosen the Data Source. Visual Studio screenshot: http://img221.imageshack.us/img221/8573/snapshot4c.png ...

DataGridView UserDeletingRow Not Firing

Consider 2 DataGridViews both with SelectionMode = RowHeaderSelect. In grid1 I have 2 columns; a TextBox and a CheckBox. In grid2 I have 2 columns; a ComboBox and a TextBox. When I click on the RowHeader, the focus goes to the first cell, not the RowHeaderCell. When I press the DEL button, the contents of the cell is deleted (TextBox ...

Collapsible datagridview

hi all, I have displayed the result of 8 queries in the datagridview by putting all the query in the datatable with the caption (to add it as heading within the datagridview to seperate the resultset of each of te queries) and then executing it in loop. I want to implement a functionality on column of DataGridView should collapse the col...

Binding datagridview to a multiple table linq-to-sql query

I'm binding the results of a linq-to-sql query to a datagridview. This works fine if I'm just selecting from a single database table. However, if it's a join query where I'm selecting fields from both tables, then because the select is going into an anonymous type, the results are readonly. Hence my datagridview is also readonly. I want ...