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lt;asp:DataGrid id="DataGrid1" OnItemDataBound ="ItemDB" DataKeyField ="ProductId" runat="server"></asp:DataGrid> Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Protected Sub ItemDB(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataGridItemEventArgs) e.Item.Cells[dc.IndexOf(dc[dcCol.ColumnName])].Attributes.Add("onclick", "javascript:window.open('details.aspx?id= "+strID+"',"+"'MyPage','height=300,width=300')");

Here is a sample ( C# , VB ) that has column selections implemented. It derives a DataGrid, adds a columns selection array list, and maintains this list in an override of OnMouseDown. Then to handle actually drawing the selected columns, it uses a derived...

You create a custom DataTableStyle that contains column styles for each column you want to display. You add the column styles in the order you want them to appear. Here are the steps to add an string column, an int column and a bool check column to a...

You need to derive a custom column style, override its Paint method and draw the image. In the attached samples, ( VB and C# ), there are two custom column styles. One style is a stand-alone unbound column that just displays an image. The second custom...

If you have added a table style to your DataGrid (so individual column styles have been generated), then you can use code such as this to set the Format property of the particular column style. [C#] // add format column 3 columnstyle where column 3 holds...

You can derive a custom columnstyle and override its Paint method to draw the image. Here are both C# and VB.Net samples . The Paint override offers three ways to draw the bimap in the cell; size it to fit the cell bounds, size it proportionally to fit...

There are several ways to go about this task. The simplest way involves adding a single combobox to the DataGrid.Controls, and then selectively displaying it as needed when a combobox cell becomes the currentcell. All the work is done in a few event handlers...

One way to do this is to use MeasureString to compute the size of the text in each cell, and then take the maximum value. Below is a code snippet that does this. It assumes your datagrid is bound to a datatable. You can download a full working sample...

To set a column width, your DataGrid must be using a non-null DataGridTableStyle. Once this is in place, you can set the column width by first getting the tablestyle and then using that object to obtain a column style with which you can set the width...

There are several ways to hide a column: 1) You can use your DataSet's ColumnMapping property to hide a column. // Creating connection and command sting string conStr = @"Provider=Microsoft.JET.OLEDB.4.0;data source=C:\northwind.mdb"; string...

There are several ways to go about this task. The simplest way involves adding a single combobox to the DataGrid.Controls, and then selectively displaying it as needed when a combobox cell becomes the currentcell. All the work is done in a few event handlers and no overrides or derived classes are necessary. This technique is discussed in Microsoft KB article Q323167. The other techniques require you to derive a columnstyle.

You need to derive a custom column style, override its Paint method and draw the image. In the attached samples, (VB and C#), there are two custom column styles. One style is a stand-alone unbound column that just displays an image. The second custom column style adds the image to the left side of a bound column. In both cases, the actual image that is displayed is from an imagelist passed into the column in its constructor.

One way to do this is to use MeasureString to compute the size of the text in each cell, and then take the maximum value. Below is a code snippet that does this. It assumes your datagrid is bound to a datatable. You can download a full working sample. (C#,VB). dataGrid1.TableStyles["customers"].GridColumnStyles[col].Width = (int) width + 8; // 8 is for leading and trailing padding

You can derive a custom columnstyle and override its Paint method to draw the image. Here are both C# and VB.Net samples. The Paint override offers three ways to draw the bimap in the cell; size it to fit the cell bounds, size it proportionally to fit the cell bounds, and draw it with it's original size (clipping the bitmap to fit in the cell bounds). In the sample, the DataGrid is anchored on all four sides, so as you size the form, the DataGrid sizes as well.

Don't specify the SortExpression for the BoundColumn for which you do not want Sorting. This will only work if you have AutogenerateColumns= false.