散分了!该如何解决

散分了!
string   city   =   this.txtCity.Text.ToString();

"insert   into   Infodepartment(城市名称)   values(次处我想用city的值,我该怎么写?)) "
谢谢!




[解决办法]
"insert into Infodepartment(城市名称) values( ' "+city+ " ') "