我試過在StackOverflow和其他網站上尋找這個,但找不到任何符合我的問題的東西。基本上,我有一個下拉菜單和包含在行中的文本框的網格視圖。用戶需要從下拉列表中選擇一個選項,並根據他們選擇的選項,他們可能還需要將一些數據添加到同一行的文本框中。作爲這一部分,我想運行驗證來提醒用戶他們還沒有完成哪些字段 - 但我想嘗試在asp.net C#中執行此操作(如果可能的話)(不使用JavaScript或JQuery,或其他任何其他可以避免它)。驗證GridView內的文本框和下拉列表
我已經能夠得到迄今爲止:如果沒有選擇下拉列表或未輸入文本,gridview將驗證 - 但它會針對每一行放置錯誤消息,即使只有一行是不正確,而我只希望驗證消息出現在那些不是的行上。
我的代碼是:
<asp:UpdatePanel ID="upCurrentServicesGrid" UpdateMode="Conditional" runat="server">
<ContentTemplate>
<asp:GridView ID="grdviewCurrentSystems" CssClass="table-data currentSystemTable" UseAccessibleHeader="true" AutoGenerateColumns="false" runat="server">
<Columns>
<asp:BoundField DataField="systemName" HeaderText="Service" ItemStyle-Width="10%"/>
<asp:TemplateField HeaderText="Status" ItemStyle-Width="39%">
<ItemTemplate>
<asp:DropDownList ID="aspdropSystemStatus" CausesValidation="false" runat="server" />
<div style="display:none">
<asp:TextBox ID="RowId" runat="server" Text='<%# Eval("id") %>' />
</div>
<div style="display:none">
<asp:TextBox ID="SelectedVal" runat="server" Text='<%# Eval("systemStatus") %>' />
</div>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Further information" ItemStyle-Width="50%">
<ItemTemplate>
<div>
<asp:TextBox ID="txtSystemStatusInfo" TextMode="MultiLine" MaxLength="300" CssClass="textarea1" runat="server" Text='<%# Eval("systemInformation") %>' />
<asp:CustomValidator
CssClass="CustomValidator1"
OnServerValidate="grdviewFurtherInfo_Validate"
Display="Dynamic"
runat="server"
ValidationGroup="valgrpLocal">
<asp:ValidationMessageLocal
CssClass="aspvalmsgLocal"
ID="aspvalSystemStatus"
Title="Service statuses"
TextPassed=""
TextFailed="Check Status or Further Information fields"
runat="server" />
</asp:CustomValidator>
</div>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Delete" ItemStyle-HorizontalAlign="Center" ItemStyle-VerticalAlign="Middle">
<ItemTemplate>
<div>
<asp:LinkButton ID="lnkbtnDelSystem" CausesValidation="false" OnClick="lnkbtnDelSystem_Click" OnClientClick="return confirmDelete(this.id); return false;" CommandArgument='<%# Eval("id") %>' runat="server">
<span class="btn btn-small btn-spinner btn-grid">X</span>
</asp:LinkButton>
</div>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>
而且我後面的代碼是:
protected void grdviewFurtherInfo_Validate(object sender, ServerValidateEventArgs e)
{
bool valid = true;
foreach (GridViewRow row in grdviewCurrentSystems.Rows)
{
usercontrols_asp_formctl_dropdownlist aspDrop = (usercontrols_asp_formctl_dropdownlist)row.FindControl("aspdropSystemStatus");
usercontrols_asp_formctl_textbox aspTxt = (usercontrols_asp_formctl_textbox)row.FindControl("txtSystemStatusInfo");
if (aspDrop.SelectedValue == "")
{
valid = false;
}
else if (aspDrop.SelectedValue != "1" && string.IsNullOrEmpty(aspTxt.Text))
{
valid = false;
}
e.IsValid = valid;
}
}
誰能請指教?
謝謝! :)
該鏈接似乎不適用於我 - 它絕對是生活嗎? – chesh78
現在檢查 - http://www.aspsnippets.com/Articles/Validate-only-certain-selected-GridView-Row-Controls-like-TextBox-using-ASPNet-Validators.aspx –