PSLine2000Documentation/Forms/DS Spot Weld.md

4.6 KiB

DS Spot Weld

Analysis generated on: 4/1/2025 4:10:05 PM

Record Source

Controls

Control Name Reference
PartNumber PartNumber (from Queries/DataSheetQ1)
Operation Operation (from Queries/DataSheetQ1)
Elem1A Elem1A (from Queries/DataSheetQ1)
Elem2A Elem2A (from Queries/DataSheetQ1)
Elem3A Elem3A (from Queries/DataSheetQ1)
Paperwork Paperwork (from Queries/DataSheetQ1)
TotalSelectTime TotalSelectTime (from Queries/DataSheetQ1)
StandardMinutes/part StandardMinutes/part (from Queries/DataSheetQ1)
pf&d pf&d (from Queries/DataSheetQ1)
StandardHours/part StandardHours/part (from Queries/DataSheetQ1)
StandardParts StandardParts (from Queries/DataSheetQ1)
Elem4A Elem4A (from Queries/DataSheetQ1)
Elem5A Elem5A (from Queries/DataSheetQ1)
Field97 Elem1V1 (from Queries/DataSheetQ1)
Field98 Elem1V2 (from Queries/DataSheetQ1)
Field100 Elem2V1 (from Queries/DataSheetQ1)
Field105 Elem3V1 (from Queries/DataSheetQ1)
Field115 Elem4V1 (from Queries/DataSheetQ1)
Field120 Elem5V1 (from Queries/DataSheetQ1)
Field127 Elem6V2 (from Queries/DataSheetQ1)
Field139 Elem6V1 (from Queries/DataSheetQ1)
Field140 Elem6A (from Queries/DataSheetQ1)
Field144 Elem7A (from Queries/DataSheetQ1)
Field158 Elem8V1 (from Queries/DataSheetQ1)
Field161 Elem8V2 (from Queries/DataSheetQ1)
Field164 Elem8V3 (from Queries/DataSheetQ1)
Field167 Elem9V1 (from Queries/DataSheetQ1)
Field170 Elem9V2 (from Queries/DataSheetQ1)
Field173 Elem9V3 (from Queries/DataSheetQ1)
Field179 Elem8A (from Queries/DataSheetQ1)
Field180 Elem8A (from Queries/DataSheetQ1)
Field183 Elem7V2 (from Queries/DataSheetQ1)
Field185 Elem7V1 (from Queries/DataSheetQ1)

VBA Code

Option Compare Database   'Use database order for string comparisons

Private Sub Form_Load()
   On Error GoTo die
   If IsNull(Me![PartNumber]) Then
      End
   End If
Exit Sub
HelpMe:
    DoCmd.SelectObject A_FORM, "DS CNC"
    DoCmd.Close
Exit Sub
die:
   Resume HelpMe

End Sub

What it does

VBA Code Description

Purpose

This VBA code is designed to handle the loading of a specific form in an Access database. It checks for the presence of a mandatory field (PartNumber) and provides error handling if it's missing.

Detailed Explanation

1. Option Compare Database

The first line, Option Compare Database, specifies that string comparisons should be performed according to the database collation order. This is an important consideration when working with data in Access databases.

2. Form_Load Subroutine

The Form_Load subroutine is a standard event handler in VBA that gets triggered when a form loads.

3. Error Handling and Mandatory Field Check

Inside the Form_Load subroutine, there are two main sections:

*   **Error Handling:** The `On Error GoTo die` statement specifies that if an error occurs during the execution of the code within this subroutine, it should be caught and handled using the `die:` label. This prevents the program from crashing.
*   **Mandatory Field Check:** The following lines check if the value in the `PartNumber` field (represented by `Me![PartNumber]`) is null or empty (`IsNull(Me![PartNumber])`). If it is, the subroutine executes the code within the `End If` block, effectively ending the subroutine and preventing any further execution.

4. Selecting and Closing a Form

The following lines of code are used to select and close another form in the database:

*   `DoCmd.SelectObject A_FORM, "DS CNC"`: This line selects an object (in this case, a form named "DS CNC") using the `DoCmd` object.
*   `DoCmd.Close`: After selecting the other form, this line closes the selected form.

5. Error Handling Catch

The final label (die:) serves as a catch-all for any unhandled errors that may occur during the execution of the code within the Form_Load subroutine. When an error is encountered and it's not caught by the previous On Error GoTo die statement, the program jumps to this label, allowing it to continue running while still providing some level of error management.

In Summary This VBA code ensures that a specific form loads properly in an Access database by checking for the presence of a mandatory field (PartNumber). If the field is missing, it triggers an error and tries to load another form in an attempt to mitigate any issues.