Im trying to add buttons or link to a gridview so i can edit/delete/update records, but i cant add it, i have tryed many things but i get errors can someone help me. !?
I can show the records/date in the gridview, but i cant see how to add the button events.
My front_code is:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Data_Adapter_Grid.aspx.vb" Inherits="Data_Adapter_Grid" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px"
CellPadding="4" DataKeyNames="test_id" ForeColor="Black" GridLines="Horizontal">
<Columns>
<asp:BoundField DataField="test_id" HeaderText="test_id" InsertVisible="False"
ReadOnly="True" SortExpression="test_id" />
<asp:BoundField DataField="test_cat" HeaderText="test_cat"
SortExpression="test_cat" />
<asp:BoundField DataField="test_info" HeaderText="test_info"
SortExpression="test_info" />
<asp:BoundField DataField="test_number" HeaderText="test_number"
SortExpression="test_number" />
</Columns>
<FooterStyle BackColor="#CCCC99" ForeColor="Black" />
<HeaderStyle BackColor="#333333" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="Black" HorizontalAlign="Right" />
<SelectedRowStyle BackColor="#CC3333" Font-Bold="True" ForeColor="White" />
<SortedAscendingCellStyle BackColor="#F7F7F7" />
<SortedAscendingHeaderStyle BackColor="#4B4B4B" />
<SortedDescendingCellStyle BackColor="#E5E5E5" />
<SortedDescendingHeaderStyle BackColor="#242121" />
</asp:GridView>
</div>
</form>
</body>
</html>
My behind_code is:
Imports System.Data.OleDb
Imports System.Data
Partial Class Data_Adapter_Grid
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Call GetRecords()
End If
End Sub
' "Provider=Microsoft.ACE.OLEDB.12.0;Data Source='C:\Users\Peter\Documents\Visual Studio 2010\Projects\StockIT\StockIT\bin\Debug\StockManagement.accdb';Persist Security Info=True;Jet OLEDB:Database Password="
'Get all Records
Sub GetRecords()
Dim strSQL As String = ""
strSQL = "" & _
"SELECT * FROM [TableTest] " & _
"ORDER BY [test_id] ASC"
Dim dt As New DataTable()
Using conn As New OleDbConnection(ConfigurationManager.ConnectionStrings("MyConnStr").ConnectionString)
Try
conn.Open()
Dim cmd As New OleDbCommand(strSQL, conn)
Dim dbAdapter As New OleDbDataAdapter(cmd)
'Dim cb As New OleDbCommandBuilder(dbAdapter)
dbAdapter.Fill(dt) '(dt, "GridLoad")
dbAdapter.Dispose()
If dt.Rows.Count > 0 Then
GridView1.DataSource = dt
'GridView1.DataMember = "GridLoad"
GridView1.DataBind()
End If
Catch exp As OleDbException
If True Then
MsgBox("Error trying to get records, maybe there is no records. " & vbCrLf & "Error: " & exp.Message & "Database Error", MsgBoxStyle.OkOnly, MsgBoxStyle.Critical)
End If
Catch exp As Exception
If True Then
MsgBox("Error the Database can be unavailable atm. " & vbCrLf & "Error: " & exp.Message & "Database Error", MsgBoxStyle.OkOnly, MsgBoxStyle.Information)
End If
End Try
End Using
End Sub
Protected Sub GridView1_RowEditing(sender As Object, e As GridViewEditEventArgs)
End Sub
Protected Sub GridView1_RowCancelingEdit(sender As Object, e As GridViewCancelEditEventArgs)
End Sub
Protected Sub GridView1_RowUpdating(sender As Object, e As GridViewUpdateEventArgs)
End Sub
Protected Sub GridView1_RowDelete(sender As Object, e As GridViewDeletedEventArgs)
End Sub
End Class
try
<asp:templatefield> // add button or link inside </asp:templatefield>call button onrowcommand event, read it to make yourself clear http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.gridview.rowcommand.aspx