CompareValidator

@inherits ControlComponent
<p>
    Enter a value in each textbox. Select a comparison operator<br />
    and data type. Click "Validate" to compare values.
</p>

<table cellpadding="10" style="background-color:#eeeeee;">
                                            <tr valign="top">
                                            <td>
                                            <h5>Comparison Operator:</h5>
                                            </td>
                                            <td>
                                            <asp.ListBox @ref="this.listOperator" AutoPostBack="true"
                                            OnSelectedIndexChanged="this.Operator_Index_Changed">
                                            <asp.ListItem Selected="true" Value="Equal">Equal</asp.ListItem>
                                            <asp.ListItem Value="NotEqual">NotEqual</asp.ListItem>
                                            <asp.ListItem Value="GreaterThan">GreaterThan</asp.ListItem>
                                            <asp.ListItem Value="GreaterThanEqual">GreaterThanEqual</asp.ListItem>
                                            <asp.ListItem Value="LessThan">LessThan</asp.ListItem>
                                            <asp.ListItem Value="LessThanEqual">LessThanEqual</asp.ListItem>
                                            <asp.ListItem Value="DataTypeCheck">DataTypeCheck</asp.ListItem>
                                            </asp.ListBox>
                                            </td>
                                            <td>
                                            <h5>Data Type:</h5>
                                            </td>
                                            <td>
                                            <asp.ListBox @ref="this.listType" AutoPostBack="true"
                                            OnSelectedIndexChanged="this.Type_Index_Changed">
                                            <asp.ListItem Selected="true" Value="String">String</asp.ListItem>
                                            <asp.ListItem Value="Integer">Integer</asp.ListItem>
                                            <asp.ListItem Value="Double">Double</asp.ListItem>
                                            <asp.ListItem Value="Date">Date</asp.ListItem>
                                            <asp.ListItem Value="Currency">Currency</asp.ListItem>
                                            </asp.ListBox>
                                            </td>
                                            </tr>
                                            <tr>
                                            <td colspan="4">
                                            <h5>String 1:</h5>
                                            <asp.TextBox ID="TextBox1" />
                                            <h5>String 2:</h5>
                                            <asp.TextBox ID="TextBox2" />
                                            </td>
                                            </tr>
                                            <tr>
                                            <td colspan="4">
                                            <asp.Button Text="Validate"
                                            OnClick="this.Button_Click" />
                                            </td>
                                            </tr>
</table>

<asp.CompareValidator @ref="this.compare1"
                                            ControlToValidate="TextBox1"
                                            ControlToCompare="TextBox2"
                                            EnableClientScript="false"
                                            Type="ValidationDataType.String" />

<br />

<asp.Label @ref="this.output"
                                            FontNames="verdana"
                                            FontSize="10pt" />

@code {
                                            private Label output;
                                            private ListBox listOperator;
                                            private ListBox listType;
                                            private CompareValidator compare1;

                                            protected void Button_Click(object sender, EventArgs e)
    {
                                            if (this.Page.IsValid)
        {
            output.Text = "Result: Valid!";
        }
                                            else
        {
            output.Text = "Result: Not valid!";
        }
    }

                                            protected void Operator_Index_Changed(object sender, EventArgs e)
    {
        compare1.Operator = (ValidationCompareOperator)listOperator.SelectedIndex;
    }

                                            protected void Type_Index_Changed(object sender, EventArgs e)
    {
        compare1.Type = (ValidationDataType)listType.SelectedIndex;
    }
}