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function valid()
{
if(document.getElementById("txtMarryDate").value=="")
{
alert("仪式日不能为空!");
document.getElementById("txtMarryDate").focus();
return false;
}
if(document.getElementById("ddlArea").value=="请选择")
{
alert("请选择地区!");
document.getElementById("ddlArea").focus();
return false;
}
}
<asp:Button ID="btnUpload" runat="server" Text="确认上传" CssClass="button" OnClick="btnUpload_Click" OnClientClick="return valid();" />
for (int i = 0; i < Repeater1.Items.Count; i++)
{
FileUpload myFile = Repeater1.Items[i].FindControl("FileUpload1") as FileUpload;
if (myFile.FileName == "")
{
Response.Write("error");
}
}
<asp:Repeater ID="Repeater1" runat="server" DataSourceID="XmlDataSource1">
<ItemTemplate><asp:FileUpload ID="myFile" runat="server" />
<asp:CustomValidator ID="CustomValidator1" runat="server" ValidateEmptyText="True" ClientValidationFunction="valid()" ControlToValidate="myFile"></asp:CustomValidator>
</ItemTemplate>
</asp:Repeater>
var frm=document.all;
for(var i=0;i<frm.length;i++)
{
if(frm[i].id=="fuDouble")
{
if(frm[i].value=="")
{
alert("两人共同照片不能为空!");
return false;
}
}
}
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="tb1"
ErrorMessage="RequiredFieldValidator"></asp:RequiredFieldValidator>
<asp:CustomValidator ID="CustomValidator1" runat="server" ValidateEmptyText="True" ClientValidationFunction="valid()" ControlToValidate="txtDate"></asp:CustomValidator>
<asp:Button ID="btn1" runat="server" Text="confirm" />