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140
Custom WebDatePicker with an embedded RequiredFieldValidator
posted

Hello,

I want to create a custom WebDatePicker with an embedded RequiredFieldValidator... Here is my code:

System.Web.UI.WebControls.RequiredFieldValidator rfv;

        protected override void CreateChildControls()

        {

            base.CreateChildControls();

            rfv = new System.Web.UI.WebControls.RequiredFieldValidator();

            rfv.ControlToValidate = this.ID;

            rfv.ID = "rfv_" + this.ID;

            rfv.ErrorMessage = "Error message";

            rfv.Text = "*";

 

            this.Controls.Add(rfv);

        }

        protected override void Render(System.Web.UI.HtmlTextWriter writer)

        {

            base.Render(writer);

            rfv.RenderControl(writer);

        }

 

But I have this error:

Unable to find control id 'Cdatepicker1' referenced by the 'ControlToValidate' property of 'toto_Cdatepicker1'.

I have tried this solution:

http://forums.infragistics.com/forums/p/50289/264449.aspx

        System.Web.UI.WebControls.RequiredFieldValidator rfv;

 

        protected override void OnInit(EventArgs e)

        {

            base.OnInit(e);

 

            this.Page.LoadComplete += new EventHandler(Page_LoadComplete);

        }

 

        void Page_LoadComplete(object sender, EventArgs e)

        {

            rfv = new System.Web.UI.WebControls.RequiredFieldValidator();

            //cv.ControlToValidate = this.UniqueID;

            rfv.ID = "rfv_" + this.ID;

            rfv.ErrorMessage = "Message erreur";

            rfv.Text = "*";

            rfv.ControlToValidate = this.UniqueID;

 

            this.Page.Form.Controls.Add(rfv);

        }

 

It's work but my field validator is at the bottom of my page...

How can I put it next my control ?

 

Thanks,

 

Antonio

 

 

 

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