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การลบจาก CheckBox ASP.NET คือว่าผมติดปัญหาการใช้ Check Box นะครับช่วยให้คำแนะนำผมที |
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Code (VB.NET)
<%@ Page Language="C#" Debug="true" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.OleDb" %>
<script runat="server">
OleDbConnection objConn = new OleDbConnection();
OleDbCommand objCmd = new OleDbCommand();
OleDbDataReader dtReader;
String strSQL;
void Page_Load(object sender,EventArgs e)
{
String strConnString;
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +
Server.MapPath("database/mydatabase.mdb") + ";Jet OLEDB:Database Password=;";
objConn = new OleDbConnection(strConnString);
objConn.Open();
if(!Page.IsPostBack)
{
BindData();
}
this.btnDelete.Attributes.Add("OnClick", "return confirm('Delete Record?');");
}
void BindData()
{
String strSQL;
strSQL = "SELECT * FROM customer";
OleDbDataReader dtReader;
objCmd = new OleDbCommand(strSQL, objConn);
dtReader = objCmd.ExecuteReader();
//*** BindData to Repeater ***//
myRepeater.DataSource = dtReader;
myRepeater.DataBind();
dtReader.Close();
dtReader = null;
}
void Page_UnLoad()
{
objConn.Close();
objConn = null;
}
protected void myRepeater_ItemDataBound(Object sender, RepeaterItemEventArgs e)
{
//*** CustomerID ***//
Label lblCustomerID = (Label)(e.Item.FindControl("lblCustomerID"));
if (lblCustomerID != null)
{
lblCustomerID.Text = (string)DataBinder.Eval(e.Item.DataItem, "CustomerID");
}
//*** Name ***//
Label lblName = (Label)(e.Item.FindControl("lblName"));
if (lblName != null)
{
lblName.Text = (string)DataBinder.Eval(e.Item.DataItem, "Name");
}
//*** Email ***//
Label lblEmail = (Label)(e.Item.FindControl("lblEmail"));
if (lblEmail != null)
{
lblEmail.Text = (string)DataBinder.Eval(e.Item.DataItem, "Email");
}
//*** CountryCode ***//
Label lblCountryCode = (Label)(e.Item.FindControl("lblCountryCode"));
if (lblCountryCode != null)
{
lblCountryCode.Text = (string)DataBinder.Eval(e.Item.DataItem, "CountryCode");
}
//*** Budget ***//
Label lblBudget = (Label)(e.Item.FindControl("lblBudget"));
if (lblBudget != null)
{
lblBudget.Text = DataBinder.Eval(e.Item.DataItem, "Budget").ToString();
}
//*** Used ***//
Label lblUsed = (Label)(e.Item.FindControl("lblUsed"));
if (lblUsed != null)
{
lblUsed.Text = DataBinder.Eval(e.Item.DataItem, "Used").ToString();
}
}
void btnDelete_OnClick(object sender,EventArgs e)
{
CheckBox chkDel;
Label lblID;
int i;
for( i = 0; i <= myRepeater.Items.Count - 1; i++)
{
chkDel = (CheckBox)myRepeater.Items[i].FindControl("chkDel");
lblID = (Label)myRepeater.Items[i].FindControl("lblCustomerID");
if(chkDel.Checked)
{
strSQL = "DELETE FROM customer WHERE CustomerID = '"+ lblID.Text +"' ";
objCmd = new OleDbCommand(strSQL, objConn);
objCmd.ExecuteNonQuery();
}
}
BindData();
}
</script>
<html>
<head>
<title>ThaiCreate.Com ASP.NET - Microsoft Access</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Repeater id="myRepeater" runat="server"
OnItemDataBound="myRepeater_ItemDataBound">
<HeaderTemplate>
<table border="1">
<tr>
<th>CustomerID</th>
<th>Name</th>
<th>Email</th>
<th>CountryCode</th>
<th>Budget</th>
<th>Used</th>
<th>Delete</th>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td align="center"><asp:Label id="lblCustomerID" runat="server"></asp:Label></td>
<td><asp:Label id="lblName" runat="server"></asp:Label></td>
<td><asp:Label id="lblEmail" runat="server"></asp:Label></td>
<td align="center"><asp:Label id="lblCountryCode" runat="server"></asp:Label></td>
<td align="right"><asp:Label id="lblBudget" runat="server"></asp:Label></td>
<td align="right"><asp:Label id="lblUsed" runat="server"></asp:Label></td>
<td align="center"><asp:CheckBox id="chkDel" runat="server"></asp:Checkbox></td>
</tr>
</ItemTemplate>
</asp:Repeater>
</table>
<br />
<asp:Button id="btnDelete" onclick="btnDelete_OnClick" runat="server" Text="Delete"></asp:Button>
</form>
</body>
</html>
(C#) ASP.NET Microsoft Access Multiple Checkbox Delete Record
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| Date :
2010-02-09 11:58:33 |
By :
webmaster |
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 Load balance : Server 05
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