/// <summary>
/// 创建子控件方法
/// </summary>
protected override void CreateChildControls()
{
if (this.ViewState[IS_ADDED_LIST_ITEM] == null)
{
if (IsRequired)
{
this.Attributes.Add("IsRequired", "True");
}
this.Attributes.Add("MyInputType", "CheckBoxList");
this.Attributes.Add("ShowErrorType", ShowErrorType.ToString());
AddDropDownItem(); //添加列表项目重载
}
base.CreateChildControls();
}
/// <summary>
/// 改写OnPreRender
/// </summary>
/// <param name="e"></param>
protected override void OnPreRender(EventArgs e)
{
//添加默认样式表
if (string.IsNullOrWhiteSpace(this.CssClass))
{
this.CssClass = "myTextBox";
}
else if (this.CssClass.IndexOf("myTextBox") == -1)
{
this.CssClass += " myTextBox";
}
if (IsRequired)
{
if (this.Attributes["IsRequired"] == null)
{
this.Attributes.Add("IsRequired", "True");
}
else
{
this.Attributes["IsRequired"] = "true";
}
}
if (MinLength > 0)
{
if (this.Attributes["MinLength"] == null)
{
this.Attributes.Add("MinLength", MinLength.ToString());
}
else
{
this.Attributes["MinLength"] = MinLength.ToString();
}
}
if (!string.IsNullOrWhiteSpace(WatermarkText))
{
if (this.Attributes["placeholder"] == null)
{
this.Attributes.Add("placeholder", WatermarkText);
}
else
{
this.Attributes["placeholder"] = WatermarkText;
}
}
if (!string.IsNullOrWhiteSpace(ValidationExpression))
{
if (this.Attributes["ValidationExpression"] == null)
{
this.Attributes.Add("ValidationExpression", ValidationExpression);
}
else
{
this.Attributes["ValidationExpression"] = ValidationExpression;
}
}
if (IsFilterSqlChars)
{
if (this.Attributes["IsFilterSqlChars"] == null)
{
this.Attributes.Add("IsFilterSqlChars", "True");
}
else
{
this.Attributes["IsFilterSqlChars"] = "True";
}
}
if (IsFilterSpecialChars)
{
if (this.Attributes["IsFilterSpecialChars"] == null)
{
this.Attributes.Add("IsFilterSpecialChars", "True");
}
else
{
this.Attributes["IsFilterSpecialChars"] = "True";
}
}
if (this.Attributes["MyInputType"] == null)
{
this.Attributes.Add("MyInputType", this.GetType().Name);
}
else
{
this.Attributes["MyInputType"] = this.GetType().Name;
}
if (this.Attributes["ShowErrorType"] == null)
{
this.Attributes.Add("ShowErrorType", ShowErrorType.ToString());
}
else
{
this.Attributes["ShowErrorType"] = ShowErrorType.ToString();
}
if (this.TextMode == System.Web.UI.WebControls.TextBoxMode.MultiLine)
{
this.Attributes.Add("TextAreaMaxLength", MaxLength.ToString());
}
base.OnPreRender(e);
}
