string strinsert = "UPDATE 新闻 set NewsName ='" + TextBox1.Text + "前樱唯',[date] =#" + TextBox2.Text + "#,NewsContent='慧培" + EWebEditorExt1.Text + "颂纤' where [id]=" + TextBox3.Text;
给 新闻2字加上【】试试 [新闻]