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我正在使用以下代碼使用確認從數據庫中刪除記錄。使用ASP.NET中的確認窗口彈出窗口和RequiredFieldValidator刪除數據
ASP.NET
<asp:TextBox ID="text_delete" Width="70%" Height="60px" ValidationGroup="del" CssClass="textbox" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="required_desc" CssClass="validator" ValidationGroup="del" ControlToValidate="text_delete" ErrorMessage="Reason Required" runat="server">Reason Required</asp:RequiredFieldValidator>
<asp:Button ID="button_delete" CssClass="button" ValidationGroup="del" Text="Delete" runat="server" OnClientClick="Confirm()" OnClick="button_delete_Click" />
的JavaScript
<script type = "text/javascript">
function Confirm() {
var confirm_value = document.createElement("INPUT");
confirm_value.type = "hidden";
confirm_value.name = "confirm_value";
if (confirm("Do you want to delete this data?")) {
confirm_value.value = "Yes";
} else {
confirm_value.value = "No";
}
document.forms[0].appendChild(confirm_value);
}
</script>
C#
protected void button_delete_Click(object sender, EventArgs e)
{
string confirmValue = Request.Form["confirm_value"];
if (confirmValue == "Yes")
{
// Delete the data
}
if (confirmValue == "No")
{
// Do not delete data
}
}
但是在這裏我想用戶首先輸入在文本框中刪除的原因,然後纔會出現確認彈出窗口。即使我正在使用必需的字段驗證程序,驗證程序僅在彈出窗口後觸發。我怎麼能先啓動驗證器,並且只有當原因進入彈出窗口進行刪除確認時纔會出現。我怎樣才能做到這一點?
這是工作,謝謝 –