Unclosed quotation mark after the character string '+ Convert .ToInt32 (cmb_customername .SelectedVa

Hi,

i wrote the query it show the following errors.please correct those errors.


select t2.compname,t2.compaddress,t2.invoiceno,t2.orderno,t2.ondate,t2.invoicedate,t2.amountstatus,t2.netamount,t2.netvat,t2.tamount,t1.particulars,t1.quantity,t1.perprice,t1.amount from tbl_report2 t2 left join tbl_report1 t1 on t1.invoiceno=t2.invoiceno where t2.invoiceno ="+ Convert .ToInt32 (cmb_customername .SelectedValue )+"",con)

Errors:Incorrect syntax near '+ Convert .ToInt32 (cmb_customername .SelectedValue )
Unclosed quotation mark after the character string '+ Convert .ToInt32 (cmb_customername .SelectedValue )

Best,
Sudheep.