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Learn to build web apps and services, IoT apps, and mobile backends by covering the fundamentals of ASP.NET Core and exploring the core foundations for app libraries.
'' Insert your connection string in the below line of code.
Dim sqlConnection1 As New SqlConnection("Your connection string goes here")
Dim cmd As New SqlCommand
cmd.CommandType = System.Data.CommandType.Text
'' This your SQL Insert command. Make sure that all column names are spelled the same way as in the database
'' Change Buildings to your Table Name, the next list of comma separated names are the column names.
'' The next list of comma separated VALUES are the values to be inserted into the columns in the same order and
'' data types, strings have double quotes around it numeric values do not.
cmd.CommandText = "INSERT INTO Buildings (LOC_ID, BLDG_CODE, ROOM, CAPACITY) VALUES (15, 'NorthWestern', 209, 50)"
cmd.Connection = sqlConnection1
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Public Sub Update_Row()
drCust.Item("CustomerID") = txtCustomerID.Text
drCust.Item("CompanyName") = txtCompanyName.Text
drCust.Item("ContactName") = txtContactName.Text
AddHandler dsNorthwind.Tables("Customers").RowChanging, _
RemoveHandler dsNorthwind.Tables("Customers").RowChanging, _
Private Sub Customer_RowChanging(ByVal sender As Object, _
ByVal e As System.Data.DataRowChangeEventArgs)
'*** Data verification throw exception is invalid
Dim strErrors As String
If txtCustomerID.Text = "" Then
strErrors = "CustomerID Req."
ElseIf txtCompanyName.Text = "" Then
strErrors = "Name Req."
If strErrors <> "" Then
Throw New System.Exception(strErrors)
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