[Solved] SQL – Failed to convert string to Int32
You are probably passing a value that can’t be parsed into an int for this parameter: pram[5] = new SqlParameter(“@contact”, SqlDbType.Int, 100); Check what you are passing here: pram[5].Value = contact; If contact is a string then do something like: int contactNumber; pram[5].Value = int.TryParse(contact, out contactNumber) ? contactNumber : 0; 4 solved SQL – … Read more