TextBox

@inherits ControlComponent

<p>
                                            <asp.TextBox @ref="this.value1" ID="Value1" Columns="2" MaxLength="3" Text="1" />
    +
                                            <asp.TextBox @ref="this.value2" ID="Value2" Columns="2" MaxLength="3" Text="1" />
    =
                                            <asp.Label @ref="this.answerMessage" />
</p>
<p>
                                            <asp.Button Text="Add" OnClick="this.AddButton_Click" />
</p>
<p>
                                            <asp.RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Value1"
                                            ErrorMessage="Please enter a value.<br />" Display="ValidatorDisplay.Dynamic" />
                                            <asp.RequiredFieldValidator ID="Value2RequiredValidator" ControlToValidate="Value2"
                                            ErrorMessage="Please enter a value.<br />" Display="ValidatorDisplay.Dynamic" />
                                            <asp.RangeValidator ID="Value1RangeValidator" ControlToValidate="Value1"
                                            Type="ValidationDataType.Integer" MinimumValue="1" MaximumValue="100" Display="ValidatorDisplay.Dynamic"
                                            ErrorMessage="Please enter an integer <br /> between than 1 and 100.<br />" />
                                            <asp.RangeValidator ID="Value2RangeValidator" ControlToValidate="Value2"
                                            Type="ValidationDataType.Integer" MinimumValue="1" MaximumValue="100" Display="ValidatorDisplay.Dynamic"
                                            ErrorMessage="Please enter an integer <br /> between than 1 and 100.<br />" />
</p>

@code {
                                            private TextBox value1;
                                            private TextBox value2;
                                            private Label answerMessage;

                                            protected void AddButton_Click(object sender, EventArgs e)
    {
                                            int answer;
        answer = Convert.ToInt32(value1.Text) + Convert.ToInt32(value2.Text);
        answerMessage.Text = answer.ToString();
    }
}