Need help with Datagrid column button

BrianDH · Dec 1, 2004

Hi
I have a web form with a Datagrid. Within the data grid I have a Column
button. If the button is of type "Linkbutton" my VB code-behind will catch
the users
"click"
However, if it is set to "Pushbutton" I am unable to trap the users
click. See code Below.
I don't understand what I am missing. why won't the
"Pushbutton" work?

VB code Behind:
Private Sub DataGrid1_ItemCommand(ByVal source As Object, ByVal e As
System.Web.UI.WebControls.DataGridCommandEventArgs) Handles
DataGrid1.ItemCommand
'get value of row here
End Sub

HTML:
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp

ataGrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 80px; POSITION:
absolute; TOP: 140px" runat="server" Width="484px">
<Columns>
<asp:ButtonColumn Text="Select" ButtonType="PushButton"
CommandName="Select"></asp:ButtonColumn>
</Columns>
</asp

ataGrid>
</form>
</body>

Ken Cox [Microsoft MVP] · Dec 1, 2004

Hi Brian,

Your code seems okay here. Is it possible you are binding the grid on each
page load?

This is the code I used:

Private Sub Page_Load _
(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles MyBase.Load
If Not IsPostBack Then
DataGrid1.DataSource = CreateDataSource()
DataGrid1.DataBind()
End If
End Sub

Private Sub DataGrid1_ItemCommand _
(ByVal source As Object, _
ByVal e As System.Web.UI.WebControls.DataGridCommandEventArgs) _
Handles DataGrid1.ItemCommand
Response.Write(e.Item.ItemIndex.ToString & _
":" & e.CommandName)
End Sub

Function CreateDataSource() As DataTable
Dim dt As New DataTable
Dim dr As DataRow
dt.Columns.Add(New DataColumn _
("IntegerValue", GetType(Int32)))
dt.Columns.Add(New DataColumn _
("StringValue", GetType(String)))
dt.Columns.Add(New DataColumn _
("CurrencyValue", GetType(Double)))
dt.Columns.Add(New DataColumn _
("Boolean", GetType(Boolean)))
Dim i As Integer
For i = 0 To 8
dr = dt.NewRow()
dr(0) = i
dr(1) = "Item " + i.ToString()
dr(2) = 1.23 * (i + 1)
dr(3) = (i = 4)
dt.Rows.Add(dr)
Next i
Return dt
End Function 'CreateDataSource

Ken
MVP [ASP.NET]

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Need help with Datagrid column button

BrianDH

Ken Cox [Microsoft MVP]

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