Creating a Web Part Project(Using Webpart(Dynamic Creation))

using System;

using System.ComponentModel;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using Microsoft.SharePoint;

using Microsoft.SharePoint.WebControls;

namespace EUDGridView.ContactFormWebPart

{

    [ToolboxItemAttribute(false)]

    public class ContactFormWebPart : WebPart

    {

        TextBox txtContactName;

        TextBox txtEmailAddress;

        TextBox txtPhone;

        TextBox txtMessage;

        Button btnSendMessage;

        Label lblMessageSent;

        protected override void CreateChildControls()

        {

            base.CreateChildControls();

            Table t;

            TableRow tr;

            TableCell tc;

            // A table that is used to layout the controls

            t = new Table();

                         

            // Label with instructions for the user

            tr = new TableRow();

            tc = new TableCell();

            tc.ColumnSpan = 2;

            tc.VerticalAlign = VerticalAlign.Top;

            Label lblInstructions = new Label();

            lblInstructions.Text = "Please enter your contact" +

                                   " information and message below.";

            tc.Controls.Add(lblInstructions);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            // Contact Name label

            tr = new TableRow();

            tc = new TableCell();

            tc.Style["padding-top"] = "7px";

            tc.VerticalAlign = VerticalAlign.Top;

            Label lblContactName = new Label();

            lblContactName.Text = "Name:";

            tc.Controls.Add(lblContactName);

            tr.Controls.Add(tc);

            // Contact Name textbox

            tc = new TableCell();

            tc.VerticalAlign = VerticalAlign.Top;

            txtContactName = new TextBox();

            txtContactName.ID = "txtContactName";

            txtContactName.Width = Unit.Pixel(300);

            tc.Controls.Add(txtContactName);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            // Email Address label

            tr = new TableRow();

            tc = new TableCell();

            tc.Style["padding-top"] = "7px";

            tc.VerticalAlign = VerticalAlign.Top;

            Label lblEmailAddress = new Label();

            lblEmailAddress.Text = "Email Address:";

            tc.Controls.Add(lblEmailAddress);

            tr.Controls.Add(tc);

            // Email Address textbox

            tc = new TableCell();

            tc.VerticalAlign = VerticalAlign.Top;

            txtEmailAddress = new TextBox();

            txtEmailAddress.ID = "txtEmailAddress";

            txtEmailAddress.Width = Unit.Pixel(300);

            tc.Controls.Add(txtEmailAddress);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            // Phone Number label

            tr = new TableRow();

            tc = new TableCell();

            tc.Style["padding-top"] = "7px";

            tc.VerticalAlign = VerticalAlign.Top;

            Label lblPhone = new Label();

            lblPhone.Text = "Phone Number:";

            tc.Controls.Add(lblPhone);

            tr.Controls.Add(tc);

            // Phone Number textbox

            tc = new TableCell();

            tc.VerticalAlign = VerticalAlign.Top;

            txtPhone = new TextBox();

            txtPhone.ID = "txtPhone";

            txtPhone.Width = Unit.Pixel(300);

            tc.Controls.Add(txtPhone);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            // Message label

            tr = new TableRow();

            tc = new TableCell();

            tc.Style["padding-top"] = "7px";

            tc.VerticalAlign = VerticalAlign.Top;

            Label lblMessage = new Label();

            lblMessage.Text = "Message:";

            tc.Controls.Add(lblMessage);

            tr.Controls.Add(tc);

            // Message textbox

            tc = new TableCell();

            tc.VerticalAlign = VerticalAlign.Top;

            txtMessage = new TextBox();

            txtMessage.ID = "txtMessage";

            txtMessage.Height = Unit.Pixel(100);

            txtMessage.Width = Unit.Pixel(400);

            txtMessage.TextMode = TextBoxMode.MultiLine;

            txtMessage.Wrap = true;

            tc.Controls.Add(txtMessage);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            // Empty table cell

            tr = new TableRow();

            tc = new TableCell();

            tr.Controls.Add(tc);

            // Label for telling the user the message was sent

            tc = new TableCell();

            tc.VerticalAlign = VerticalAlign.Top;

            lblMessageSent = new Label();

            lblMessageSent.Text = "Your message has been sent. Thank you.";

            lblMessageSent.Font.Bold = true;

            lblMessageSent.Visible = false;

            tc.Controls.Add(lblMessageSent);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            // Empty table cell

            tr = new TableRow();

            tc = new TableCell();

            tr.Controls.Add(tc);

            // Send Message button

            tc = new TableCell();

            btnSendMessage = new Button();

            btnSendMessage.Text = "Send Message";

            btnSendMessage.Click += new EventHandler(btnSendMessage_Click);

            tc.Controls.Add(btnSendMessage);

            tr.Controls.Add(tc);

            t.Controls.Add(tr);

            this.Controls.Add(t);

        }

        protected void btnSendMessage_Click(object sender, EventArgs e)

        {

            // Build the email subject string

            System.Text.StringBuilder subject = new System.Text.StringBuilder();

            subject.Append("Contact Form Message from ");

            subject.Append(txtContactName.Text);

            // Build the email message string

            System.Text.StringBuilder message = new System.Text.StringBuilder();

            message.Append("Contact Name: ");

            message.AppendLine(txtContactName.Text);

            message.Append("Email Address: ");

            message.AppendLine(txtEmailAddress.Text);

            message.Append("Phone: ");

            message.AppendLine(txtPhone.Text);

            message.AppendLine();

            message.AppendLine("Message:");

            message.AppendLine(txtMessage.Text);

            // Construct the message header

            System.Collections.Specialized.StringDictionary messageHeader =

            new System.Collections.Specialized.StringDictionary();

            // TODO: Where to send the email

            messageHeader.Add("to", "CustomerService@example.com");

            // TODO: Who the email should be "from"

            messageHeader.Add("from", "ContactForm@example.com");

            messageHeader.Add("subject", subject.ToString());

            messageHeader.Add("content-type", "text/plain");

            // Send the email

            Microsoft.SharePoint.Utilities.SPUtility.SendEmail(

            SPContext.Current.Web, messageHeader, message.ToString());

            // Let the user know the message was sent

            lblMessageSent.Visible = true;

            // Clear out the input fields

            txtContactName.Text = "";

            txtEmailAddress.Text = "";

            txtPhone.Text = "";

            txtMessage.Text = "";

        }

    }

}