在后端,调用Profile的save()后,sql Server跟踪显示aspnet_Profile_SetProperties存储过程被调用两次.首先,使用新值,使用旧值.第二次执行是在页面卸载后完成的.我的代码与事务无关.

为什么这么奇怪？

aspnet_regsql的安装是否存在问题,因为我已经安装了已卸载并再次安装它！？

码

web.config中

<authentication mode="Forms">
    <forms name="FormsAuthentication" loginUrl="~/Login.aspx" defaultUrl="~/Login.aspx" timeout="20"/>
</authentication>
<membership defaultProvider="CustsqlMembershipProvider">
    <providers>
        <add connectionStringName="connString" applicationName="/space_online" minrequiredPasswordLength="5" minrequiredNonalphanumericCharacters="0" name="CustsqlMembershipProvider" type="System.Web.Security.sqlMembershipProvider"/>
    </providers>
</membership>
<roleManager enabled="true" defaultProvider="CustsqlRoleProvider">
    <providers>
        <add connectionStringName="connString" applicationName="/space_online" name="CustsqlRoleProvider" type="System.Web.Security.sqlRoleProvider"/>
    </providers>
</roleManager>
<anonymousIdentification cookieless="AutoDetect" enabled="true"/>
<profile defaultProvider="CustsqlProfileProvider" enabled="true">
    <providers>
        <add name="CustsqlProfileProvider" type="System.Web.Profile.sqlProfileProvider" connectionStringName="connString" applicationName="/space_online"/>
    </providers>
    <properties>
        <add name="FirstName" type="System.String"/>
        <add name="LastName" type="System.String"/>
        <add name="Email" type="System.String"/>
        <group name="Address">
            <add name="Street" type="System.String"/>
            <add name="City" type="System.String"/>
            <add name="PostalCode" type="System.String"/>
        </group>
        <group name="Contact">
            <add name="Phone" type="System.String"/>
            <add name="Mobile" type="System.String"/>
            <add name="Fax" type="System.String"/>
        </group>
        <add name="ShoppingCart" type="psb.website.BLL.Store.ShoppingCart" serializeAs="Binary" allowAnonymous="true"/>
    </properties>
</profile>

代码背后

private void UpdateProfile(ProfileCommon myprofile)
{
    myprofile.FirstName = tbFirstName.Text.Trim();
    myprofile.LastName = tbLastName.Text.Trim();
    myprofile.Email = tbEmail.Text.Trim();
    myprofile.Address.Street = tbStreetPhysical.Text.Trim();
    myprofile.Address.City = tbCity.Text.Trim();
    myprofile.Address.PostalCode = tbPostalCode.Text.Trim();
    myprofile.Contact.Phone = tbPhone1.Text.Trim();
    myprofile.Contact.Mobile = tbMobile.Text.Trim();
    myprofile.Save();
}
private ProfileCommon GetProfile()
    {
        ProfileCommon profile = this.Profile;
        if (Request.QueryString["UserName"] != null && HttpContext.Current.User.IsInRole("Admin"))
            profile = this.Profile.GetProfile(Request.QueryString["UserName"].ToString());
        else
            profile = this.Profile.GetProfile(HttpContext.Current.User.Identity.Name);
        return profile;
    }
protected void tbUpdateProfile_Click(object sender,ImageClickEventArgs e)
    {
        UpdateProfile(GetProfile());
    }