HtmlInputText.Value Propriété

Référence

Définition

Espace de noms:: System.Web.UI.HtmlControls

Assembly:: System.Web.dll

Important

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Obtient ou définit le contenu de la zone de texte.

public:
 virtual property System::String ^ Value { System::String ^ get(); void set(System::String ^ value); };

public override string Value { get; set; }

member this.Value : string with get, set

Public Overrides Property Value As String

Valeur de propriété

String

Le texte contenu dans la zone de texte. La valeur par défaut est une chaîne vide ("").

Exemples

L’exemple de code suivant montre comment utiliser la Value propriété pour déterminer par programmation le texte entré par l’utilisateur dans la zone de texte.

<%@ Page Language="C#" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    protected void AddButton_Click(Object sender, EventArgs e)
    {
        int Answer;

        Answer = Convert.ToInt32(Value1.Value) + 
            Convert.ToInt32(Value2.Value);
        AnswerMessage.InnerHtml = Answer.ToString();

    }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" > 
<head>
    <title> HtmlInputText Example </title>
</head>
<body>
<form id="form1" runat="server">
    <div>

    <h3> HtmlInputText Example </h3>

    <table>
        <tr>
            <td colspan="5">

               Enter integer values into the text boxes. <br />
               Click the Add button to add the two values. <br />
               Click the Reset button to reset the text boxes.

            </td>
       </tr>
       <tr>
            <td colspan="5">
                 

            </td>
       </tr>
       <tr align="center">
            <td>

               <input id="Value1"
                      type="Text"
                      size="2"
                      maxlength="3"
                      value="1"
                      runat="server"/>

            </td>
            <td>
                + 
            </td>
            <td>

               <input id="Value2"
                      type="Text"
                      size="2"
                      maxlength="3"
                      value="1"
                      runat="server"/>

            </td>
            <td>
                =
            </td>
            <td>
               
               <span id="AnswerMessage"
                     runat="server"/>

            </td>
        </tr>
        <tr>
            <td colspan="2">

               <asp:RequiredFieldValidator
                    ID="Value1RequiredValidator"
                    ControlToValidate="Value1"
                    ErrorMessage="Please enter a value.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value1MinCompareValidator"
                    ControlToValidate="Value1"
                    Operator="LessThan"
                    Type="Integer"
                    ValueToCompare="100"
                    ErrorMessage="Please enter an integer less than 100.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value1MaxCompareValidator"
                    ControlToValidate="Value1"
                    Operator="GreaterThan"
                    Type="Integer"
                    ValueToCompare="0"
                    ErrorMessage="Please enter an integer greater than 0.<br />"
                    Display="Dynamic"
                    runat="server"/>

            </td>
            <td colspan="2">

               <asp:RequiredFieldValidator
                    ID="Value2RequiredValidator"
                    ControlToValidate="Value2"
                    ErrorMessage="Please enter a value.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value2MinCompareValidator"
                    ControlToValidate="Value2"
                    Operator="LessThan"
                    Type="Integer"
                    ValueToCompare="100"
                    ErrorMessage="Please enter an integer less than 100.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value2MaxCompareValidator"
                    ControlToValidate="Value2"
                    Operator="GreaterThan"
                    Type="Integer"
                    ValueToCompare="0"
                    ErrorMessage="Please enter an integer greater than 0.<br />"
                    Display="Dynamic"
                    runat="server"/>

            </td>
            <td>
                 
            </td>
        </tr>
        <tr align="center">
            <td colspan="4">

                <input type="Submit"
                      name="AddButton"
                      value="Add"
                      onserverclick="AddButton_Click"
                      runat="server"/>

                   

                <input type="Reset"
                      name="AddButton"
                      value="Reset"
                      runat="server"/>

            </td>
            <td>
                 
            </td>
        </tr>
    </table>

    </div>
</form>
</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    Protected Sub AddButton_Click(sender As Object, e As EventArgs)

        Dim Answer As Integer

        Answer = Convert.ToInt32(Value1.Value) + Convert.ToInt32(Value2.Value)
        AnswerMessage.InnerHtml = Answer.ToString()

    End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" > 
<head>
    <title> HtmlInputText Example </title>
</head>
<body>
<form id="form1" runat="server">
    <div>

    <h3> HtmlInputText Example </h3>

    <table>
        <tr>
            <td colspan="5">

               Enter integer values into the text boxes. <br />
               Click the Add button to add the two values. <br />
               Click the Reset button to reset the text boxes.

            </td>
       </tr>
       <tr>
            <td colspan="5">
                 

            </td>
       </tr>
       <tr align="center">
            <td>

               <input id="Value1"
                      type="Text"
                      size="2"
                      maxlength="3"
                      value="1"
                      runat="server"/>

            </td>
            <td>
                + 
            </td>
            <td>

               <input id="Value2"
                      type="Text"
                      size="2"
                      maxlength="3"
                      value="1"
                      runat="server"/>

            </td>
            <td>
                =
            </td>
            <td>
               
               <span id="AnswerMessage"
                     runat="server"/>

            </td>
        </tr>
        <tr>
            <td colspan="2">

               <asp:RequiredFieldValidator
                    ID="Value1RequiredValidator"
                    ControlToValidate="Value1"
                    ErrorMessage="Please enter a value.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value1MinCompareValidator"
                    ControlToValidate="Value1"
                    Operator="LessThan"
                    Type="Integer"
                    ValueToCompare="100"
                    ErrorMessage="Please enter an integer less than 100.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value1MaxCompareValidator"
                    ControlToValidate="Value1"
                    Operator="GreaterThan"
                    Type="Integer"
                    ValueToCompare="0"
                    ErrorMessage="Please enter an integer greater than 0.<br />"
                    Display="Dynamic"
                    runat="server"/>

            </td>
            <td colspan="2">

               <asp:RequiredFieldValidator
                    ID="Value2RequiredValidator"
                    ControlToValidate="Value2"
                    ErrorMessage="Please enter a value.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value2MinCompareValidator"
                    ControlToValidate="Value2"
                    Operator="LessThan"
                    Type="Integer"
                    ValueToCompare="100"
                    ErrorMessage="Please enter an integer less than 100.<br />"
                    Display="Dynamic"
                    runat="server"/>

               <asp:CompareValidator
                    ID="Value2MaxCompareValidator"
                    ControlToValidate="Value2"
                    Operator="GreaterThan"
                    Type="Integer"
                    ValueToCompare="0"
                    ErrorMessage="Please enter an integer greater than 0.<br />"
                    Display="Dynamic"
                    runat="server"/>

            </td>
            <td>
                 
            </td>
        </tr>
        <tr align="center">
            <td colspan="4">

                <input type="Submit"
                      name="AddButton"
                      value="Add"
                      onserverclick="AddButton_Click"
                      runat="server"/>

                   

                <input type="Reset"
                      name="AddButton"
                      value="Reset"
                      runat="server"/>

            </td>
            <td>
                 
            </td>
        </tr>
    </table>

    </div>
</form>
</body>
</html>

Remarques

Utilisez la Value propriété pour déterminer par programmation le texte entré par l’utilisateur dans la zone de texte. Vous pouvez également utiliser cette propriété pour fournir le texte par défaut de la zone de texte.

Remarque

Si vous spécifiez une valeur pour un password contrôle de type HtmlInputText , cette valeur n’est pas affichée dans la zone de texte.

S’applique à

Voir aussi

HtmlInputPassword

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