<body>
<form id="form1" runat="server">
<div>
<asp:TextBox runat="server" ID="txt1"></asp:TextBox>
<asp:CompareValidator runat="server" ControlToValidate="txt1" Text="no es numerico"
Operator="DataTypeCheck" Type="Integer"></asp:CompareValidator>
<br />
<asp:TextBox runat="server" ID="txt2"></asp:TextBox>
<asp:TextBox runat="server" ID="txt3"></asp:TextBox>
<asp:CompareValidator ID="CompareValidator1" runat="server" ControlToValidate="txt2"
Text="txt2 es mayor a txt3" Operator="GreaterThan" ControlToCompare="txt3"
Type="Integer"></asp:CompareValidator>
<br />
<asp:TextBox runat="server" ID="txt4"></asp:TextBox>
<asp:RequiredFieldValidator ControlToValidate="txt4" runat="server" Text="el txt4 es requerido" ErrorMessage="txt4"></asp:RequiredFieldValidator>
<br />
<asp:TextBox runat="server" ID="txt5"></asp:TextBox>
<asp:CustomValidator ID="HolaValidation" ControlToValidate="txt5" Text="No dice hola"
runat="server"> </asp:CustomValidator>
<br />
<asp:Button runat="server" Text="Enviar" />
<asp:ValidationSummary ID="ValidationSummary1" HeaderText="debe ingresar los siguientes campos:"
DisplayMode="BulletList" EnableClientScript="true" runat="server" />
</div>
</form>
</body>
-----------------------------------------------------------------------------------------------------------
protected void Page_Load(object sender, EventArgs e)
{
HolaValidation.ServerValidate += new ServerValidateEventHandler(HolaValidation_ServerValidate);
}
void HolaValidation_ServerValidate(object source, ServerValidateEventArgs args)
{
args.IsValid = txt5.Text == "hola";
}
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