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Dot net CRUD operation with Ms access database

Create a new MS database access file
Save the MS access db as db1.mdb file (Access 2000 Database file format) as shown below.

  • Create a table tblUserDetails in MS access with below columns.


Create a table tblStudentDetails with the below columns.

Create a new windows Application project MsAccessCRUD

Add a windows form AddLoginDetails.cs

Design the form as below,

Replace the AddLoginDetails class file as below,

public partial class AddLoginDetails : Form
{
public AddLoginDetails()
{
InitializeComponent();
}
private void btnLogin_Click(object sender, EventArgs e)
{
System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection();
conn.ConnectionString = @”Provider=Microsoft.Jet.OLEDB.4.0;” +
@”Data source= D:\db1.mdb”;
OleDbCommand cmd = new OleDbCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = @”Insert Into tblUserDetails(UserName,[Password])VALUES(‘”+txtUserName.Text+”‘,'”+txtPassword.Text+”‘)”;
cmd.Connection = conn;
conn.Open();
cmd.ExecuteNonQuery();
System.Windows.Forms.MessageBox.Show(“Record Successfully Created”);
StudentLogin objStudentLogin = new StudentLogin();
objStudentLogin.Show();
this.Hide();
conn.Close();
}
}

Add New form StudentLogin.cs and design as below,

Replace the StudentLogin Class with below code,

public partial class StudentLogin : Form
{
public StudentLogin()
{
InitializeComponent();
}
private void Button2_Click(object sender, EventArgs e)
{
// txtUserName.Text
System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection();
conn.ConnectionString = @”Provider=Microsoft.Jet.OLEDB.4.0;” +
@”Data source= D:\db1.mdb”;
OleDbCommand cmd = new OleDbCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = @”select * from tblUserDetails where Password='” +txtPassword.Text +”‘”;
cmd.Connection = conn;
conn.Open();
OleDbDataReader OleDBDR = cmd.ExecuteReader();
while (OleDBDR.Read())
{
string value= OleDBDR[0].ToString();
System.Windows.Forms.MessageBox.Show(“Login Successful”);
ShowStudentDetails objform = new ShowStudentDetails();
objform.Show();
this.Hide();
}
conn.Close();
}
private void Button1_Click(object sender, EventArgs e)
{
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
AddLoginDetails obj = new AddLoginDetails();
obj.Show();
this.Hide();
}
}

Add a new form ShowStudentDetails.cs and design the form as below,

Replace the ShowStudentDetails.cs class file with below code,

public partial class ShowStudentDetails : Form
{
public ShowStudentDetails()
{
InitializeComponent();
}
private void ShowStudentDetails_Load(object sender, EventArgs e)
{
System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection();
conn.ConnectionString = @”Provider=Microsoft.Jet.OLEDB.4.0;” +
@”Data source= D:\db1.mdb”;
OleDbCommand cmd = new OleDbCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = @”select * from tblStudentDetails”;
cmd.Connection = conn;
conn.Open();
OleDbDataAdapter ada = new OleDbDataAdapter(cmd);
DataSet ds = new DataSet();
ada.Fill(ds);
dgvStudentdetails.DataSource = ds.Tables[0];
conn.Close();
}
}

The solution explorer will look as below,

Replace the connection string for Ms access database before running the solution, now its d:\db1.mdb

The Output as below,

Click on Sign Up,

Click Add.

Ms Access DB as below,

Click below to download the solution,

https://1drv.ms/u/s!ArddhCoxftkQg9NHjhgsr8veFi056A

Send mail to users from gmail account using c#.net

Document by Alagappan -ganesanva@hotmail.com – + 919042710472

Click on File –> New Project in Visual Studio. Enter the solution name as MailUser.

Click OK
Right Click on the Project and add new item.
Add new form with name SendEmail.aspx

Put / Replace the below code in SendEmail.aspx

<!DOCTYPE html>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title></title>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<table border=”0″ cellspacing=”2″ cellpadding=”2″>
<tr>
<td>
Email To
</td>
<td>
<asp:TextBox ID=”txtMailTo” runat=”server”></asp:TextBox>
</td>
</tr>
<tr>
<td>
Subject
</td>
<td>
<asp:TextBox ID=”txtSubject” runat=”server”></asp:TextBox>
</td>
</tr>
<tr>
<td>
Body
</td&gt
<td>
<asp:TextBox ID=”txtBody” runat=”server” TextMode=”MultiLine”></asp:TextBox>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID=”btnSend” runat=”server” Text=”Send” OnClick=”btnSend_Click” />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>

Put / Replace the below code In SendEmail.aspx.cs

public partial class SendEmail : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnSend_Click(object sender, EventArgs e)
{
string result=SendEmailtousers(txtMailTo.Text, txtSubject.Text, txtBody.Text);
Response.Write(result);
}
protected string SendEmailtousers(string toAddress, string subject, string body)
{
string result = “Message Sent Successfully..!!”;
string senderID = WebConfigurationManager.AppSettings[“SenderID”];// use sender’s email id here..
string senderPassword = WebConfigurationManager.AppSettings[“SenderPassword”]; // sender password hereā€¦
try
{
SmtpClient smtp = new SmtpClient
{
Host = “smtp.gmail.com”,
Port = 587,
EnableSsl = true,
DeliveryMethod = SmtpDeliveryMethod.Network,
Credentials = new System.Net.NetworkCredential(senderID, senderPassword),
Timeout = 30000,
};
MailMessage message = new MailMessage(senderID, toAddress, subject, body);
message.CC.Add(WebConfigurationManager.AppSettings[“CCMail”]);
smtp.Send(message);
}
catch (Exception ex)
{
result = “Error sending email.!!!””;
}
return result;
}
}

Add the below code in web.config below Connectionstrings tag

<appSettings>
<add key=”SenderID” value=”ganesvija@gmail.com”/>
<add key=”SenderPassword” value=”*****”/>
<add key=”CCMail” value=”ganesanva@hotmail.com”/>
</appSettings>


Replace **** with actual password in key SenderPassword.
Run the solution.

The Output as below,



GMAIL inbox,

Note:
In order to trigger mail from client, Enable this on the From Address Gmail account.
Turn on Allow for Less Secure apps.

https://www.google.com/settings/security/lesssecureapps
Reference:
https://support.google.com/accounts/answer/6010255?hl=en
Click below to download the solution,
https://1drv.ms/u/s!ArddhCoxftkQg7UPuVICB-batxhXag

State management in Asp.net

Document by Vairavan – Ganesanva@hotmail.com – +919042710472

There are 2 types of state management
1.Server side
2.Client Side
Client Side

  1. View State
  2. Hidden Fields
  3. Cookies
  4. Query strings

Server Side

  1. Application state
  2. Session state

View state
It allows to maintain the value with in the page
Hidden Fields
It is the control in Asp.net used to store value with in the page. It does not shows visibility in the page.
Cookies
It is the small amount of data stored in client browser session
Query string
IT allows to pass the data from one page to another in the browser URL.
Application state:
Asp.net allows to save values using Application state in HttpApplicationstate class.
Session State:
It allows to store data in the server side using HttpSessionState class.
Create a new Project File –>New Project in Visual studio

Click ok.
Right Click on the solution and Add New Item.
Select Web form and Name GetValues.aspx.

Add one another form as SetValues.aspx
Put / Replace the below HTML in SetValues.aspx

<!DOCTYPE html>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title></title>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<asp:TextBox ID=”txtsessionvalue” runat=”server”></asp:TextBox>
<asp:Button ID=”btnSetSession” runat=”server” Text=”Set Session Value” OnClick=”btnSetSession_Click” />
</div>
</form>
</body>
</html>

Put / Replace the below code in SetValues.aspx.cs

public partial class SetValues : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnSetSession_Click(object sender, EventArgs e)
{
Session[“Uservalue”] = txtsessionvalue.Text;
Response.Redirect(“GetValues.aspx?ID=2”);
}
}

Put / Replace the below HTML in GetValues.aspx

<!DOCTYPE html>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title></title>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<asp:TextBox ID=”txtviewstate” runat=”server”></asp:TextBox>
<asp:Button ID=”btnGetSession” runat=”server” Text=”Get Session” OnClick=”btnGetSession_Click” />
<asp:Button ID=”btnSetViewState” runat=”server” Text=”Set View State” OnClick=”btnSetViewState_Click” />
<asp:Button ID=”btnGetViewState” runat=”server” Text=”Get View State” OnClick=”btnGetViewState_Click” />
<asp:Button ID=”btnGetQuerystringvalue” runat=”server” Text=”Get Query string Value” OnClick=”btnGetQuerystringvalue_Click” />
</div>
</form>
</body>
</html>

Put / Replace the below code in GetValues.aspx.cs

public partial class GetValues : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnGetSession_Click(object sender, EventArgs e)
{
string sessionvalue = (string)Session[“Uservalue”];
Response.Write(“The Session State value is ” + sessionvalue);
}
protected void btnSetViewState_Click(object sender, EventArgs e)
{
ViewState[“data”] = txtviewstate.Text;
}
protected void btnGetViewState_Click(object sender, EventArgs e)
{
string viewstatevalue = (string)ViewState[“data”];
Response.Write(“The view State value is “+viewstatevalue);
}
protected void btnGetQuerystringvalue_Click(object sender, EventArgs e)
{
string QueryStringvalue = (string)Request.QueryString[“ID”];
Response.Write(“The Query string value is ” + QueryStringvalue);
}
}

The Output as below,






Click below to download the solution,
https://1drv.ms/u/s!ArddhCoxftkQg617pH3vPsuhyrHvDA

Asp.net MVC Course content

Document by Vairavan – enquiry@softwaretraininginchennai.com – + 919042710472

  1. MVC Architecture
  2. Benefits of Asp.net MVC
  3. Explanation on Model, View and Controller.
  4. Filters in MVC
  5. View models
  6. JQuery and JavaScript
  7. Entity Framework with Asp.net
  8. Code First Approach
  9. Database First Approach
  10. POCO Generator
  11. Data Annotation in MVC
  12. Custom Data Annotation
  13. Textbox, Option button ,List box ,Dropdown controls in MVC
  14. Ajax call in MVC
  15. Dependency Injection
  16. MVC with Bootstrap controls
  17. Layered Architecture in MVC
  18. Working with Areas
  19. Partial Views
  20. Working with Web api
  21. WCF Consumption in ASP.net MVC
  22. Convert Asp.net web application to MVC application
  23. MVC with Angular JS
  24. Sample Project on MVC