22)Write a VB.NET program to create a table Employee (Eid, EName, Designation, doj). Insert records into table and display it in GridView. (Use SQLServer to create db)
Imports System.Data.SqlClient
Public Class Form1
Dim cn As New SqlConnection
Dim cmd As New sqlcommand
Dim datadapter As New sqlDataAdapter
Dim dt As New DataTable
Dim cnt As New Integer
Dim str As String
Private Sub cmdNew_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdNew.Click
txtE_Id.Clear()
txtE_Name.Clear()
txtDes.Clear()
txtDOJ.Clear()
txtE_Id.Focus()
End Sub
Private Sub cmdSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSave.Click
cn = New SqlConnection("Data Source=Bhushan\SQLEXPRESS;Initial Catalog=Employee2;Integrated Security=True;Pooling=False")
cn.Open()
str = "insert into employee2 values (" & CInt(txtE_Id.Text) & " , '" & txtE_Name.Text & "', '" & txtDes.Text & "', '" & txtDOJ.Text & "')"
cmd = New sqlcommand(str, cn)
cnt = cmd.ExecuteNonQuery
If (cnt > 0) Then
MsgBox("Record Inserted Successfully")
End If
End Sub
Private Sub cmdShow_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdShow.Click
DataGridView1.DataSource = Nothing
cn = New SqlConnection("Data Source=Bhushan\SQLEXPRESS;Initial Catalog=Employee2;Integrated Security=True;Pooling=False")
cn.Open()
str = "select * from employee2"
cmd = New sqlcommand(str, cn)
datadapter = New sqlDataAdapter(cmd)
datadapter.Fill(dt)
DataGridView1.DataSource = dt
cn.Close()
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
End Class
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