Solved

use of unsigned local variable 'pricesColumn' easy question.

Posted on 2008-06-10
4
517 Views
Last Modified: 2013-12-17
 for (rowCount = 10; rowCount <= inputRange.Rows.Count; rowCount++)
            {
                // Read the grade name and price
                // skip rows where the grade name is empty

                // Initial prices load file has the prices in column 16
                // All other load files have their prices in column 18
                switch (LoadTypeName)
                {
                    case "Initial": pricesColumn = 16; break;
                    case "Adjustment": pricesColumn = 18; break;

                }
                try
                {
                 
                    cellvalue = (Microsoft.Office.Interop.Excel.Range)inputRange.Cells[rowCount, pricesColumn]; -------------
0
Comment
Question by:mathieu_cupryk
  • 2
4 Comments
 
LVL 29

Expert Comment

by:Gautham Janardhan
ID: 21756868
can u spost the declaration of 'pricesColumn'
0
 

Author Comment

by:mathieu_cupryk
ID: 21756874
private void ProcessSpreadsheet(string filename, string LoadTypeName)
        {
            Microsoft.Office.Interop.Excel.Application xlApp;
            // Excel application object
            Microsoft.Office.Interop.Excel.Workbook xlWorkBook;
            // Excel Workbook object
            Microsoft.Office.Interop.Excel.Worksheet xlWorkSheet;
            // Excel Worksheet object
            Microsoft.Office.Interop.Excel.Range inputRange;
            // Excel Worksheet Range object
            int rowCount;
            int currRow;
            // row iterator
            string gradeName;
            // character input variables
            int Price;
            // price as a decimal number
            Microsoft.Office.Interop.Excel.Range cellvalue;
            Microsoft.Office.Interop.Excel.Range Cells;
            int[,] discounts = new int[5, 4];
            int pricesColumn;

            // Define the input SS and open the 1st worksheet
            xlApp = new Microsoft.Office.Interop.Excel.Application();
         
            xlWorkBook = xlApp.Workbooks.Open(filename, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
        Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

             xlWorkSheet = (Microsoft.Office.Interop.Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
           
            // Store the rows and columns used in the input SS into inputRange
            inputRange = xlWorkSheet.UsedRange;

     
            // Read all used rows in the input SS, starting at the 11th row (rows are numbered from 0)
            // Data of interest is in columns O and R (numbered 15 and 18 respectively)
            for (rowCount = 10; rowCount <= inputRange.Rows.Count; rowCount++)
            {
                // Read the grade name and price
                // skip rows where the grade name is empty

                // Initial prices load file has the prices in column 16
                // All other load files have their prices in column 18
                switch (LoadTypeName)
                {
                    case "Initial": pricesColumn = 16; break;
                    case "Adjustment": pricesColumn = 18; break;

                }
                try
                {
                 
                    cellvalue = (Microsoft.Office.Interop.Excel.Range)inputRange.Cells[rowCount, pricesColumn];
             
                    if (cellvalue.ToString().Length > 0)
                    {
                        if (cellvalue.ToString() == "Stones" | cellvalue.ToString() == "Tough")
                        {
                            // all prices have been read
                            currRow = rowCount + 1;
                            // skip a row to where the discounts are
                            break; // TODO: might not be correct. Was : Exit For
                        }
                        Price = Int32.Parse(cellvalue.Value2.ToString());

                        cellvalue = (Microsoft.Office.Interop.Excel.Range)inputRange.Cells[rowCount, 15];
                        gradeName = cellvalue.ToString();

                        Insert_Price_List_Detail(gradeName, Price);
                        // insert the prices
                    }
                   
                }
                catch
                {
                    Console.WriteLine("Exception has occurred.");
                }
            }
           
0
 
LVL 29

Accepted Solution

by:
Gautham Janardhan earned 500 total points
ID: 21756899
change to
int pricesColumn = 0;
0
 
LVL 7

Expert Comment

by:AUmidh
ID: 21756922
int pricesColumn;

initilize your pricesColumn variable while initilizing to any default value.

You already assign some values to pricesColumn but those are in case block and may be those condition not satisfied. so assign some default value while initilization time.
0

Featured Post

The New “Normal” in Modern Enterprise Operations

DevOps for the modern enterprise offers many benefits — increased agility, productivity, and more, but digital transformation isn’t easy, especially if you’re not addressing the right issues. Register for the webinar to dive into the “new normal” for enterprise modern ops.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Upgrading my SSIS package in VS 2012 6 62
Need a simple RegEx to search for two words 27 49
Generate Unique ID in VB.NET 21 69
Access/Visual Basic Question 3 29
For those of you who don't follow the news, or just happen to live under rocks, Microsoft Research released a beta SDK (http://www.microsoft.com/en-us/download/details.aspx?id=27876) for the Xbox 360 Kinect. If you don't know what a Kinect is (http:…
Entity Framework is a powerful tool to help you interact with the DataBase but still doesn't help much when we have a Stored Procedure that returns more than one resultset. The solution takes some of out-of-the-box thinking; read on!
This video shows how to use Hyena, from SystemTools Software, to bulk import 100 user accounts from an external text file. View in 1080p for best video quality.

820 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question