Luv les (luv) Posted: 8:49 PM. Rated by 0 users. Microsoft DataGrid Control - Cannot initiate data bindings. I'm currently upgrading my PC from win 98 to XP with vb6. My mdac version is 2.8RTM I do not know what.
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Benji 5-Jun-08 11:015-Jun-08 11:01Okay, I'm sure I'm just missing the point, but I really can't figure out how to use the IFormatProvider in the context of the DataBindings.Add. I've added my own format provider and it works fine for things like String.Format, so I know that works just dandy. Why doesn't it work for data binding?Try it yourself:label1.DataBindings.Add('Text', numericUpDown1, 'Value', true, OnPropertyChanged, 0, '0', new CustomFormatter);If you can't figure out the code that goes around this, you're likely not stuck on the same problem I am.let me know, I'll bring you up to speed. BuyValu 13-Feb-08 7:5213-Feb-08 7:52I use Stored Procedures (SP) rather than SQL statements to retrieve data. However I'm having a problem populating the DataGridView when the SP has a parameter.
The SP works as expected when tested using the parameter but the DataAdapter will not allow me to preview the data using the parameter because it list the parameter as type Object when the parameter is actually type Int. The DataAdapter will not allow me to change the Type or convert the parameter.Is there a way to supply a parameter to the DataSource when filling the DataGridView control?I'm using VS2005 and Net.20.TIA. Richard Moon 24-Jul-07 5:2124-Jul-07 5:21The article doesn't mention how to connect values in a combo box column to the data being displayed. Deathmetal2007 20-Jun-Jun-07 18:44I'am doing a project on Game Wheel Of Fortune.I used a DataGridView for entry.
Column under item is set to type TextBox. I can fill item in database from TextBox but not display data in DataGridView and I can dislay data in DataGrid.snippet code:- In DataGridView:dataGridView1.DataSource=dataset.DefaultViewManager - not display- In DataGriddataGrid.DataSource=dataset.DefaultViewManager - displayHow can I do that?Doing project using C# 2005deathghost. Wil Peck 17-May-May-07 10:30Using the mechanism provided in this article to persist the DisplayIndex of columns works great with one exception. The DisplayIndex must be set in ascending order. Otherwise you'll get unexpected behavior when setting indexes out of order. Using a combination of a simple structure to store the display index and column index, then sorting an array of that structure using a Comparison delegate comparing the two structures based on the DisplayIndex. You'll find the unexpected behavior should then be avoided.If anyone needs an example I can provide one.
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Billy p 20-Oct-06 3:1120-Oct-06 3:11Brian,I was wondering if you might be able to answer a question regarding asynchronously updating a datagridview in a non-UI thread.I have accomplished all of the threadsafe logic, and have a working prototype of a class that exposes public properties, implements INotifyPropertyChanged, and marshalls the PropertyChanged event to the UI thread if the property changed event occurs on a non UI thread. A second class inherits BindingList so that I can display the objects in a DataGridView.All of this works fine. However, if asynchronous updates to the grid (by changing property values of the bound ojbects) occur rapidly, and I am manually editing another cell in the grid, the DataGridView cancels my edit - basically each time the non-UI thread marshalls a PropertyChange event to the Form that holds the datagridview.Is there some way of preventing these cancel edits so that I can see cells update asynchronously, and at the same time, edit data in a non-updating cell?Thanks for any info that you can give. Below is a full sample of the code. You need to create a Visual Basic Windows Application in Visual Studio 2005, and then replace all of the Form1 code with my code.Imports System.ComponentModelPublic Class Form1Dim MyDataGridView As New DataGridViewDim MyBillyTypeList As BillyTypeListDim MyBindingSource As New BindingSourcePublic Sub New' This call is required by the Windows Form Designer.InitializeComponent' Add any initialization after the InitializeComponent call.' Matanel Sindilevich 18-Jul-06 3:3318-Jul-06 3:33In 'Handling Grid Data Edits' paragraph, showing the dynamic reflection of changes of a combo-box column, an DataGridViewCell.EditedFormattedValue property is used. This property returns current cell value, even if the cell is still in editing mode and the value has not been committed yet.I build a utility with DataGridView component and two columns: one is of Textbox type, another of Combobox type.
I wanted to change the content of the corresponding cell in the Textbox column, when cell's value in the Combobox column has changed. Using the code presented in the article ('Handling Grid Data Edits' paragraph) I encountered a strange bug - after number of consequent changes of Combobox'ed column cells - following opening of the Combobox'ed column cells' lists painted them black.
Means, when you open a cell's (of type Combobox) list it has black background.Changing the code to use ((ComboBox)sender).SelectedValue.ToString instead of (string)mGrid.CurrentCell.EditedFormattedValue helped to resolve the bug.If someone knows why this behavior happened - I will be glad to learn it!Last Visit: 7-May-20 4:29 Last Update: 7-May-20 4:291General News Suggestion Question Bug Answer Joke Praise Rant AdminUse Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.
According to the Windows 10 SDK kick start videos there is a new type of bindings for the Windows 10 universal app platform called 'compiled data bindings'.Instead of 'Binding Path=.' The new style is 'x:Bind Path=.' However this only throws in a compiler error that whatever is behind the = is placed does not exist in the context.Setting 'x:Bind Path=DataContext.' Does not work either.Has anybody managed to get the new bindings to work?
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