SqlDataAdapter da =
new SqlDataAdapter("SELECT *
FROM Patient
Where Registration_Id = '" + textBox1.Text + "'
OR Patient_Name = '" + textBox1.Text + "'", cn);
如何在所有字段中搜索int或字符串?
编辑代码:
if (comboBox1.Text == "Registration_Id")
{
da = new SqlDataAdapter("SELECT *
FROM Patient
Where Registration_Id = '" + textBox1.Text + "'", cn);
}
else if (comboBox1.Text == "Patient_Name")
{
da = new SqlDataAdapter("SELECT *
FROM Patient
Where Patient_Name = '" + textBox1.Text + "'", cn);
}
答案 0 :(得分:0)
对于一个方法可能会受到SQL注入攻击,因此您需要对其进行清理。否则,一个解决方案(检查攻击后)是:
SELECT *
FROM Patient
Where column1 like "'%" + textBox1.Text + "%'"
or column2 like "'%" + textBox1.Text + "%'"
......
or columnn like "'%" + textBox1.Text + "%'"
这可以通过以下事实变得更简单:如果他们不知道项目的ID,则不检查该列。否则有一个下拉列表,选择他们搜索的列。