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<%@ Page language="c#" 
	AutoEventWireup="false" 
	CodeBehind="CreateFromTemplate.aspx.cs" 
	Inherits="Aspose.Slides.WF.Template.CreateFromTemplate"
	MasterPageFile="~/tpl/Demo.Master" 
	Title = "Create Slide from Template - Aspose.Slides Demos"
	%>
<asp:Content runat="server" ContentPlaceHolderID="MainContent">
    <table width="90%" align="center" cellspacing="0" cellpadding="0" border="0">
        <tr>
            <td height="41" valign="top">
                <img src="/Common/images/heading_lft.jpg" width="19" height="41" /></td>
            <td width="100%" class="demos-heading-bg">
                <h2 class="demos-heading-bg">
                    &nbsp;Create Presentation from Template - Aspose.Slides</h2>
            </td>
            <td valign="top">
                <img src="/Common/images/heading_rt.jpg" width="19" height="41" /></td>
        </tr>
    </table>
    <p class="componentDescriptionTxt">
        The sample demo reads presentation file, fills some fields with custom data and
        streams the resulting file to the client browser.&nbsp;</p>
    <p class="componentDescriptionTxt">
        It reads a <strong>demo.ppt</strong> and creates a presentation object from it,
        then iterates all the slides one by one and finds the text to be updated and replaces
        it with new text.
    </p>
    <p class="componentDescriptionTxt">
        For example, it finds <strong>"H1"</strong> and replaces it with <strong>"Demo Presentation"
        </strong>
    </p>
    <br />
    <asp:Button ID="Button1" runat="server" Text="Click here to create a presentation" />
</asp:Content>

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace Aspose.Slides.WF.Template
{
    public partial class CreateFromTemplate : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }

        private void Button1_Click(object sender, System.EventArgs e)
        {
            System.IO.FileStream fis = new System.IO.FileStream(MapPath(".") + "\\demo.ppt", System.IO.FileMode.Open, System.IO.FileAccess.Read);
            Presentation pres = new Presentation(fis);
            fis.Close();

            Slides slides = pres.Slides;
            for (int i = 0; i < slides.Count; i++)
            {
                // Set text of standard slide placeholders
                Placeholders pholders = slides[i].Placeholders;
                for (int j = 0; j < pholders.Count; j++)
                {
                    TextHolder th = pholders[j] as TextHolder;
                    if (th != null)
                    {
                        if (th.Text == "H1")
                            th.Paragraphs[0].Portions[0].Text = "Demo Presentation";
                        else if (th.Text == "SH1")
                            th.Paragraphs[0].Portions[0].Text = "Aspose.Slides.Template";
                        else if (th.Text == "T1")
                        {
                            switch (i)
                            {
                                case 1:
                                    th.Paragraphs[0].Portions[0].Text = "With Aspose.Slides you can: Open, read and save Microsoft PowerPoint presentations.";
                                    break;
                                case 2:
                                    th.Paragraphs[0].Portions[0].Text = "With Aspose.Slides you can: Change standard text placeholders as well as custom text frames.";
                                    break;
                                case 3:
                                    th.Paragraphs[0].Portions[0].Text = "With Aspose.Slides you can: Replace background pictures with any picture from presentation or new picture.";
                                    break;
                            }
                        }
                    }
                }

                // Set text for text frames
                Shapes shapes = slides[i].Shapes;
                for (int j = 0; j < shapes.Count; j++)
                {
                    TextFrame tf = shapes[j].TextFrame;
                    if (tf != null)
                    {
                        if (tf.Text == "CT1")
                            tf.Paragraphs[0].Portions[0].Text = "Created on:";
                        else if (tf.Text == "CT2")
                            tf.Paragraphs[0].Portions[0].Text = System.DateTime.Now.ToShortDateString();
                        else if (tf.Text == "P1")
                        {
                            tf.Paragraphs[0].Portions[0].Text = "Slide " + (i + 1).ToString();
                        }
                    }
                }
            }

            pres.Save("demoppt.ppt",Aspose.Slides.Export.SaveFormat.Ppt,Response,false);
            this.Response.End();
        }

        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.Button1.Click += new System.EventHandler(this.Button1_Click);
            this.Load += new System.EventHandler(this.Page_Load);
        }
        #endregion
    }
}