After setting the above properties to the forms and controls, your form will be shown like below:

Property of Form1 can be set as follows;

Next Create a database in the Microsoft SQL Server, with a name mind and add a table name Employee with respected fields. Add fields to the table Employees with the specified data types as given below:

The snapshots of the database are shown as:

//Place a namespace before writing a code 
 using System.Data.SqlClient;
//CODE
 
privatevoid Form1_Load(object sender, EventArgs e)
         {
            try
            {
//this lines are for creating a new connection by making a new sql connection object,we are passing a coonection string of this object which includes server name that coonect to the server database,userid,password,and name of the database will be same as we have given like mind.
  
                con = new SqlConnection("server=uttam-pc1\\sqlexpress; uid=sa; password=sa; database=mind");
//this is for open a coonection
                con.Open();
//create a new dataAdapter
                ad = new SqlDataAdapter("select * from Employee", con);
 //sqlcommandbuilder is used for changes made in a dataset in a database
                SqlCommandBuilder builder = new SqlCommandBuilder(ad);
//Create a dataset Object
                ds = new DataSet();
//use dataAdapter object to fill the dataset
                ad.Fill(ds, "Employee");
//create a datatype objectin a table 
                dt = ds.Tables["Employee"];
                
                
                //populating text fields with 1st record from database.
                txtID.Text = dt.Rows[counter][0].ToString();
                txtName.Text = dt.Rows[counter][1].ToString();
                txtAddress.Text = dt.Rows[counter][2].ToString();
                txtPhoneno.Text = dt.Rows[counter][3].ToString();
                txtAge.Text = dt.Rows[counter][4].ToString();
                
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
         }
 
//Next place a piece of code under clear button as below.
privatevoid btnClear_Click(object sender, EventArgs e)
         {
//it will clear all the text field.
            txtID.Text= "";
            txtName.Text = "";
            txtAddress.Text = "";
            txtPhoneno.Text = "";
            txtAge.Text = "";
  
        }
//Double click inside the insert button and write a highlighted code this code will insert a data in a database 
privatevoid btnInsert_Click(object sender, EventArgs e)
         {
            
           //created datarow object as dr
 
                   DataRow dr; 
//Create a data table object and add a new row 
                    dr = dt.NewRow();
                    dr[0] = txtID.Text;
                    dr[1] = txtName.Text;
                    dr[2] = txtAddress.Text;
                    dr[3] = txtPhoneno.Text;
                    dr[4] = txtAge.Text;
                    dt.Rows.Add(dr);
//it will modify data in a database
                    ad.Update(dt);
                       }
  
//Next double click on the next button (>>),and place a code.
    privatevoid btnNext_Click(object sender,  EventArgs e)
         {
            
            if (counter < dt.Rows.Count-1)//this condition checks number of rows and counter checks counter is less than number of rows or not.//if this conditions true it will increase the counter by one
            {
                counter++;
//checking number of rows in a datable.
                txtID.Text = dt.Rows[counter][0].ToString();
                txtName.Text = dt.Rows[counter][1].ToString();
                txtAddress.Text = dt.Rows[counter][2].ToString();
                txtPhoneno.Text = dt.Rows[counter][3].ToString();
                txtAge.Text = dt.Rows[counter][4].ToString();
            }
       }
  
//Next double click on the Previous button (<<),and place a code.
privatevoid btnPrevious_Click(object sender, EventArgs e)
         {
            try
            {
  
                if (counter > 0)//check wether counter is greater then 0.If the condition satisfy then counter will be decreases.
                {
                    counter--;
  
                    txtID.Text = dt.Rows[counter][0].ToString();
                    txtName.Text = dt.Rows[counter][1].ToString();
                    txtAddress.Text = dt.Rows[counter][2].ToString();
                    txtPhoneno.Text = dt.Rows[counter][3].ToString();
                    txtAge.Text = dt.Rows[counter][4].ToString();
                }
  
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
  
        }
//In the above code,to get the previous record,we are first decrementing the //value of counter by one.
//Next double click on the close button and place a code.
privatevoid btnClose_Click(object sender, EventArgs e)
         {
            this.Close();//simply close the form.
        }
//After writing all these code we have to run the application with the help of F5.the desired output look likes.