今天完成内容:
学习andriod GridView
12.GridView显示隐藏某一列:
public void bind()
{
string sqlstr = "select top 5 * from leiyu";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "leiyu");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
GridView1.Columns[3].Visible = false;//一开始隐藏
CheckBox1.Checked = false;//如果不这样后面的代码会把他True
}、
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
GridView1.Columns[3].Visible=! GridView1.Columns[3].Visible;
Response.Write("GridView1的第4列现在的显示隐藏状态是:"+GridView1.Columns[3].Visible.ToString());
}
看视频
遇到问题:
无
明日目标:
学习Android studio的开发