1. V

    Want to cretae a script for FIFO

    I have a database with lot No and quantity as below. I have to use first in first out concept (FIFO) to issue these materials LOTNO Quantity 1 2 2 4 3 13 If requested quantity is 1 the i have to decrease quantity of lotNo 1 by 1 if the requested quantity is more than the quantity...
  2. madyrafi

    C# Login Details Code Error

    Sir, I have studied and tried to put login page but it shows code error please tell me the correction sir It shows error: System.InvalidOperationException: 'The connection is already and also code error private void button14_Click(object sender, EventArgs e) { if (textBox9.Text != "" &&...
  3. madyrafi

    C# Connection string Error C# to Mysql insert button code

    I want to insert table in db and make connection to mysql to vs. Error for below code is: System.NullReferenceException: 'Object reference not set to an instance of an object.' System.Configuration.ConnectionStringSettingsCollection.this[string].get returned null. using System; using...
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