Data type mismatch in criteria expression in C# with MS Access?

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Hi I try to save data's from my form to MS Access Database. There are 13 Fields to save but when i click save button error shown on this line

C#

top.ExecuteNonQuery(); Data type mismatch in criteria expression.

This is my code help me as possible

C#

OleDbConnection conn = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:/Srihari/Srihari/Invoice.accdb");
       conn.Open();

       // to save top column in invoive
       int invoicenumber = Convert.ToInt32(TXE_Invoice_Number.Text);
       string terms = CBL_Terms.Text;
       DateTime date = CBL_Date.DateTime;
       string ourquote = TXE_OurQuote.Text;
       string salesperson = CBL_Sales_Person.Text;
       string customername = CBL_Customer_Nmae.Text;
       string oderno = CBL_Order_Number.Text;
       string invoiceaddress = TXE_Invoice_Address.Text;
       string deliveryaddress = TXE_Delivery_Address.Text;

       bool inclusive = CBX_New.Checked;

       decimal Price = Convert.ToDecimal(TXE_Price.Text);
       decimal tax = Convert.ToDecimal(TXE_Tax.Text);
       decimal grandtotal = Convert.ToDecimal(TXE_Total.Text);

       OleDbCommand top = new OleDbCommand("INSERT INTO test_top(InvoiceNumber,Terms,[InvoiceDate],OurQuote,SalesPerson,CustomerName,OrderNumber,InvoiceAddress,DeliveryAddress,InclusiveStatus,Price,Tax,GrandTotal) VALUES (" + invoicenumber + ",'" + terms + "','" + date + "','" + ourquote + "','" + salesperson + "','" + customername + "','" + oderno + "','" + invoiceaddress + "','" + deliveryaddress + "'," + inclusive + "," + Price + "," + tax + "," + grandtotal + ")", conn);
       top.ExecuteNonQuery();
       MessageBox.Show("Inserted Successful (top)", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information); conn.close();

In Access Database 13 Columns InvoiceNumber Number, Terms Text, InvoiceDate Date/Time, OurQuote Text, SalesPerson Text, CustomerName Text, Orderno Text, InvoiceAddress Memo, DeliveryAddress Memo, InclusiveStatus Yes/No, Price Decimal, Tax Decimal, GrandTotal Decimal.

What was wrong in my code ?

Posted 27-Nov-13 1:51am

srihari1904

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2 solutions

Solution 1

the only reason this error occurs is on inserting wrong datatype to the field. Please check if the description (Datatype) about your field is mentioned correctly. And please specify what value you are supplying that gives this error.

Posted 27-Nov-13 1:57am

agent_kruger

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agent_kruger 28-Nov-13 6:56am

if this helped you click accept sollution.Thank you

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srihari1904 · Accepted Answer · 2013-11-27T03:35:00

Finally got Code thanks to all.

C#

OleDbCommand top = new OleDbCommand(
        "INSERT INTO test_top (" +
                "InvoiceNumber,Terms,[InvoiceDate],OurQuote," +
                "SalesPerson,CustomerName,OrderNumber," +
                "InvoiceAddress,DeliveryAddress,InclusiveStatus," +
                "Price,Tax,GrandTotal" +
            ") VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)", conn);
top.Parameters.AddWithValue("?", invoicenumber);
top.Parameters.AddWithValue("?", terms);
top.Parameters.AddWithValue("?", date);
top.Parameters.AddWithValue("?", ourquote);
top.Parameters.AddWithValue("?", salesperson);
top.Parameters.AddWithValue("?", customername);
top.Parameters.AddWithValue("?", oderno);
top.Parameters.AddWithValue("?", invoiceaddress);
top.Parameters.AddWithValue("?", deliveryaddress);
top.Parameters.AddWithValue("?", inclusive);
top.Parameters.AddWithValue("?", Price);
top.Parameters.AddWithValue("?", tax);
top.Parameters.AddWithValue("?", grandtotal);
top.ExecuteNonQuery();