ASP.NET验证控件CustomValidator客户端验证DROPDOWNLIST、TEXTBOX

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验证dropdownlist

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function chkddl(source, args){
            if(args.Value=="0")
                args.IsValid = false;
            else
                args.IsValid=true;
        }
function chkddl(source, args){
            if(args.Value=="0")
                args.IsValid = false;
            else
                args.IsValid=true;
        }

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<asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="CustomValidator" ClientValidationFunction="chkddl" ControlToValidate="DropDownList1"></asp:CustomValidator>
<asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="CustomValidator" ClientValidationFunction="chkddl" ControlToValidate="DropDownList1"></asp:CustomValidator>

验证textbox

function chktext(source, args){
            if(args.Value=="")
                args.IsValid = false;
            else
                args.IsValid=true;
        }
function chktext(source, args){
            if(args.Value=="")
                args.IsValid = false;
            else
                args.IsValid=true;
        }

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<asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="CustomValidator" ClientValidationFunction="chktext" ControlToValidate="TextBox1" ValidateEmptyText="True"></asp:CustomValidator>

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/gengwanshanreally/archive/2009/05/05/4152608.aspx