在gridview中javascript确认后未触发Onclick asp.net事件
本文关键字:Onclick asp net 事件 gridview javascript 确认 | 更新日期: 2023-09-27 18:26:26
在我的网格视图中,我将一个javascript OnClick方法与一个要求确认删除有界行的链接buton关联:
protected void DeleteRow_Click(object sender, EventArgs e)
{
GridViewRow grdrow = (GridViewRow)((LinkButton)sender).NamingContainer;
using (ShoppingCartActions usersShoppingCart = new ShoppingCartActions())
{
string cartId = usersShoppingCart.GetCartId();
int rowIndex = grdrow.RowIndex;
//int rowIndex = ((GridViewRow)((LinkButton)e.CommandSource).NamingContainer).RowIndex;
string itemId = ((HiddenField)CartList.Rows[rowIndex].FindControl("hiddenEncryptedItemID")).Value;
usersShoppingCart.RemoveItemWithOptionsAndValues(cartId, itemId);
CartList.DataBind();
lblTotal.Text = String.Format("{0:N2}", usersShoppingCart.GetTotal());
//return usersShoppingCart.GetCartItems();
}
}
出于美观的原因,我以这种方式构建了我的ItemTemplate:
<ItemTemplate>
<div class="divItemTotal">
<div>
<asp:Label runat="server" CssClass="totalItem" ID="lblItemTotalPrice" Text='<%#: String.Format("{0:N2}", ((Convert.ToDouble(Item.Quantity)) * Convert.ToDouble(Item.UnitPrice)))%>'></asp:Label>
<asp:Label runat="server" ID="lblCurrency2" Text=" €"></asp:Label></div>
<asp:LinkButton OnClick="DeleteRow_Click" CssClass="removeItem imgRemoveItem" runat="server" ID="DeleteRow"></asp:LinkButton>
</div>
在一个完美的世界里,javascript方法应该阻止页面执行回发,并在确认后让它离开。不幸的是,当单击"确定"时,没有发生任何事情,ASP.net方法也从未被触发。更奇怪的是,有了javascript函数,asp方法只会不时地启动,我对此仍然没有任何假设。
试试这个:
<ItemTemplate>
<div class="divItemTotal">
<div>
<asp:Label runat="server" CssClass="totalItem" ID="lblItemTotalPrice" Text='<%#: String.Format("{0:N2}", ((Convert.ToDouble(Item.Quantity)) * Convert.ToDouble(Item.UnitPrice)))%>'></asp:Label>
<asp:Label runat="server" ID="lblCurrency2" Text=" €"></asp:Label></div>
<asp:LinkButton CommandArgument='<%# Eval("Item.Id") %>' CommandName="Delete" CssClass="removeItem imgRemoveItem" runat="server" ID="DeleteRow"></asp:LinkButton>
</div>
代码隐藏:
protected void CartList_RowDataBound(object sender, GridViewRowEventArgs e)
{
LinkButton l = (LinkButton)e.Row.FindControl("DeleteRow");
l.Attributes.Add("onclick", "javascript:return " +
"confirm('Are you sure you want to delete this record " +
DataBinder.Eval(e.Row.DataItem, "Item.Id") + "')");
}
protected void GridView1_RowCommand(object sender,
GridViewCommandEventArgs e)
{
if (e.CommandName == "Delete")
{
// get the categoryID of the clicked row
int categoryID = Convert.ToInt32(e.CommandArgument);
// Delete the record
DeleteRecordByID(categoryID);
// Implement this on your own :)
}
}