protected void btn_modify_Click(object sender, EventArgs e)
{
if (Context.Request["ddId"] != null)
{
bool b;
datadic.DdId = Convert.ToInt32(Context.Request["ddId"]);
datadic.DdTypeId = Convert.ToInt32(ddlDatadicType.SelectedItem.Value);
datadic.DdValue = tb_ddValue.Text;
datadic.DdDesc = tb_ddDesc.Text;
b = datadicDao.datadicUpdate(datadic);
if (b)
{
Session["flag"] = "modifySuccess";
Response.Redirect("datadicList.aspx");
}
}
else
{
datadic = new Datadic();
datadic.DdTypeId = Convert.ToInt32(ddlDatadicType.SelectedItem.Value);
datadic.DdValue = tb_ddValue.Text;
datadic.DdDesc = tb_ddDesc.Text;
datadicDao.datadicAdd(datadic);
bool b = datadicDao.datadicUpdate(datadic);
if (b)
{
Session["flag"] = "addSuccess";
Response.Redirect("datadicList.aspx");
}
}
}
protected void deleteBtn_Click(object sender, EventArgs e)
{
Datadic datadic = datadicDao.findById(Convert.ToInt32(ddIdTxt.Text));
bool b=datadicDao.datadicDelete(datadic);
if(b){
Session["flag"] = "delSuccess";
Response.Redirect("datadicList.aspx");
}
else {
Session["flag"] = "delFailure";
Response.Redirect("datadicList.aspx");
};
}
//根据传入对象的datadic的ddId进行更新查询，更新成功返回true，否则返回false
public bool datadicUpdate(Datadic datadic)
{
con = dbUtil.getCon();
string cmdText = "update t_datadic set ddTypeId=" + datadic.DdTypeId + ",ddValue='" + datadic.DdValue + "',ddDesc='" + datadic.DdDesc + "' where ddId=" + datadic.DdId;
SqlCommand sqlcom = new SqlCommand(cmdText, con);
int n = sqlcom.ExecuteNonQuery();//返回受影响的行数
if (n == 1)
{
dbUtil.close(con);
return(true);
}
else
{
dbUtil.close(con);
return(false);
}
}
//根据传入对象的datadic的ddId进行删除查询，删除成功返回true，否则返回false
public bool datadicDelete(Datadic datadic)
{
con = dbUtil.getCon();
string cmdText = "delete from t_datadic where ddId=" + datadic.DdId;
SqlCommand sqlcom = new SqlCommand(cmdText, con);
int n = sqlcom.ExecuteNonQuery();//返回受影响的行数
if (n == 1)
{
dbUtil.close(con);
return(true);
}
else
{
dbUtil.close(con);
return(false);
}
}
//添加数据
public bool datadicAdd(Datadic datadic)
{
con = dbUtil.getCon();
string comText = "insert into t_datadic(ddTypeId,ddValue,ddDesc)values(" + datadic.DdTypeId + ",'" + datadic.DdValue + "','" + datadic.DdDesc + "') ";
SqlCommand sqlcom = new SqlCommand(comText, con);
int n = sqlcom.ExecuteNonQuery();//返回受影响的行数
if (n == 1)
{
dbUtil.close(con);
return(true);
}
else
{
dbUtil.close(con);
return(false);
}
}
//根据主键查询某一个Datadic
public Datadic findById(int ddId)
{
con = dbUtil.getCon();
Datadic resultDatadic = null;
string cmdText = "select * from t_datadic where ddId=" + ddId; //查询用户字符串
SqlCommand sqlCmd = new SqlCommand(cmdText, con); //查询对象
SqlDataReader sqlDr = sqlCmd.ExecuteReader(); //创建逐行数据读取器对象
if (sqlDr.Read())
{
resultDatadic = new Datadic();
resultDatadic.DdId = (int)sqlDr["ddId"];
resultDatadic.DdTypeId = (int)sqlDr["ddTypeId"];
resultDatadic.DdValue = (string)sqlDr["ddValue"];
resultDatadic.DdDesc = (string)sqlDr["ddDesc"];
}
sqlDr.Close();
dbUtil.close(con);
return(resultDatadic);
}
protected void Page_Load(object sender, EventArgs e)
{
int ddId = Convert.ToInt32(Context.Request["ddId"]);
//根据datadicList页面传过来的datadicId从数据库中获取datadic对象
datadic = datadicDao.findById(ddId);
if (!IsPostBack)
{
if (Context.Request["ddId"] == null)
{
tb_ddDesc.Text = "";
tb_ddValue.Text = "";
}
else
{
// ddlDatadicType.SelectedItem.Value = datadic.DdTypeId.ToString();
ddlDatadicType.SelectedValue = datadic.DdTypeId.ToString();
tb_ddValue.Text = datadic.DdValue;
tb_ddDesc.Text = datadic.DdDesc;
}
}
}
