Updated Wiki: Runtime demo with custom database

Install-Package Aaron

<appSettings><!-- another keys... --><addkey="dataMapping"value="Aaron.Data.Mapping.CatalogMap, Aaron.Data.Mapping"/></appSettings>

IoC.InitializeWith(new DependencyResolverFactory());

[HttpPost]
public ActionResult Index(InstallModel model)
{
    try
    {
        if (!DataHelper.HasSettingsFileOrNotNull()) // check Settings.txt file is existed.
        {
            // create Settings.txt file.
            DataHelper.SaveSettings("SqlServer", model.TrustedConnection, model.ServerName, model.DatabaseName, model.UserName, model.Password); 
        }

        if (!DataHelper.CreateDatabase())
        {
            ViewBag.Error = "Database has been created!";
        }
        else
        {
            // init tables or instace db.var dataProviderInstance = IoC.Resolve<IDataProvider>();
            dataProviderInstance.InitDatabase();

            // create web information demo.
            IoC.Resolve<ISysConfigurationProvider<WebInformationSettings>>().SaveSettings(new WebInformationSettings()
            {
                WebName = model.WebName,
                WebUrl = "",
                AllowAccountToSelectTheme = false,
                DefaultWebThemeForDesktops = "",
                WebClosed = false,
                WebClosedAllowForAdmins = false
            });
            ViewBag.Error = "Database was created successfully!";
        }
    }
    catch
    {
        // remove Settings.txt file if error.
        DataHelper.RemoveSettingsFile();
        ViewBag.Error = "Database connection string has a more few be failed!";
    }
    finally
    {
        DataHelper.ResetCache();
    }
    return View();
}       

using System.ComponentModel.DataAnnotations;

namespace Aaron.Web.Demo.Models
{
    publicclass InstallModel
    {
        [Display(Name="Windows authentication")]
        publicbool TrustedConnection { get; set; }

        [Required]
        [Display(Name = "Server name")]
        publicstring ServerName { get; set; }

        [Required]
        [Display(Name = "Database name")]
        publicstring DatabaseName { get; set; }

        [Display(Name = "User name")]
        publicstring UserName { get; set; }

        [Display(Name = "Password")]
        publicstring Password { get; set; }

        [Required]
        [Display(Name = "Web name")]
        publicstring WebName { get; set; }
    }
}

@model Aaron.Web.Demo.Models.InstallModel

@{
    ViewBag.Title = "Index";
}
<h2>Index</h2><scriptsrc="@Url.Content("~/Scripts/jquery.validate.min.js")"type="text/javascript"></script><scriptsrc="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")"type="text/javascript"></script><spanstyle="color:Red;">@ViewBag.Error</span>

@using (Html.BeginForm()) {
    @Html.ValidationSummary(true)
    <fieldset><legend>Create Database</legend><divclass="editor-label">
            @Html.LabelFor(model => model.TrustedConnection)
        </div><divclass="editor-field">
            @Html.EditorFor(model => model.TrustedConnection, "Windows authentication")
            @Html.ValidationMessageFor(model => model.TrustedConnection)
        </div><divclass="editor-label">
            @Html.LabelFor(model => model.ServerName)
        </div><divclass="editor-field">
            @Html.EditorFor(model => model.ServerName)
            @Html.ValidationMessageFor(model => model.ServerName)
        </div><divclass="editor-label">
            @Html.LabelFor(model => model.DatabaseName)
        </div><divclass="editor-field">
            @Html.EditorFor(model => model.DatabaseName)
            @Html.ValidationMessageFor(model => model.DatabaseName)
        </div><divclass="editor-label">
            @Html.LabelFor(model => model.UserName)
        </div><divclass="editor-field">
            @Html.EditorFor(model => model.UserName)
            @Html.ValidationMessageFor(model => model.UserName)
        </div><divclass="editor-label">
            @Html.LabelFor(model => model.Password)
        </div><divclass="editor-field">
            @Html.EditorFor(model => model.Password)
            @Html.ValidationMessageFor(model => model.Password)
        </div><divclass="editor-label">
            @Html.LabelFor(model => model.WebName)
        </div><divclass="editor-field">
            @Html.EditorFor(model => model.WebName)
            @Html.ValidationMessageFor(model => model.WebName)
        </div><p><inputtype="submit"value="Create Database"/></p></fieldset>
}
<div>
    @Html.ActionLink("Back to List", "Index")
</div>