string statement = "SELECT TOP " + maxRecords + " * FROM Customers ";
string whereConcatenator = "WHERE ";
if (companyNameTextBox.Text.Length > 0)
{
statement += whereConcatenator;
statement += "CompanyName like "" + companyNameTextBox.Text + "%" ";
whereConcatenator = "AND ";
}
if (cityTextBox.Text.Length > 0)
{
statement += whereConcatenator;
statement += "City like "" + cityTextBox.Text + "%" ";
whereConcatenator = "AND ";
}
if (countryComboBox.SelectedItem != null)
{
statement += whereConcatenator;
statement += "Country = "" + countryComboBox.SelectedItem + "" ";
whereConcatenator = "AND ";
}
本文转自黄聪博客园博客，原文链接：http://www.cnblogs.com/huangcong/archive/2010/03/26/1697070.html，如需转载请自行联系原作者
