private void ShowInfo(int ID)
{
MVCLite.BLL.Comment bll = new MVCLite.BLL.Comment();
MVCLite.Model.Comment model = bll.GetModel(ID);
this.lblID.Text = model.ID.ToString();
this.txtContent.Text = model.Content;
this.txtuserid.Text = model.userid.ToString();
this.txtPID.Text = model.PID.ToString();
this.txtusername.Text = model.username;
this.txtAddTime.Text = model.AddTime.ToString();
this.txtstatus.Text = model.status.ToString();
this.txtarticleid.Text = model.articleid.ToString();
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(MVCLite.Model.Comment model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Comment set ");
strSql.Append("Content=@Content,");
strSql.Append("userid=@userid,");
strSql.Append("PID=@PID,");
strSql.Append("username=@username,");
strSql.Append("AddTime=@AddTime,");
strSql.Append("status=@status,");
strSql.Append("articleid=@articleid");
strSql.Append(" where ID=@ID ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@Content", DbType.String, 400),
new SQLiteParameter("@userid", DbType.Int32, 4),
new SQLiteParameter("@PID", DbType.Int32, 4),
new SQLiteParameter("@username", DbType.String, 50),
new SQLiteParameter("@AddTime", DbType.DateTime),
new SQLiteParameter("@status", DbType.Int32, 4),
new SQLiteParameter("@articleid", DbType.Int32, 4),
new SQLiteParameter("@ID", DbType.Int32, 4)
};
parameters[0].Value = model.Content;
parameters[1].Value = model.userid;
parameters[2].Value = model.PID;
parameters[3].Value = model.username;
parameters[4].Value = model.AddTime;
parameters[5].Value = model.status;
parameters[6].Value = model.articleid;
parameters[7].Value = model.ID;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MVCLite.Model.Comment DataRowToModel(DataRow row)
{
MVCLite.Model.Comment model = new MVCLite.Model.Comment();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["Content"] != null)
{
model.Content = row["Content"].ToString();
}
if (row["userid"] != null && row["userid"].ToString() != "")
{
model.userid = int.Parse(row["userid"].ToString());
}
if (row["PID"] != null && row["PID"].ToString() != "")
{
model.PID = int.Parse(row["PID"].ToString());
}
if (row["username"] != null)
{
model.username = row["username"].ToString();
}
if (row["AddTime"] != null && row["AddTime"].ToString() != "")
{
model.AddTime = DateTime.Parse(row["AddTime"].ToString());
}
if (row["status"] != null && row["status"].ToString() != "")
{
model.status = int.Parse(row["status"].ToString());
}
if (row["articleid"] != null && row["articleid"].ToString() != "")
{
model.articleid = int.Parse(row["articleid"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(MVCLite.Model.Comment model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Comment(");
strSql.Append("ID,Content,userid,PID,username,AddTime,status,articleid)");
strSql.Append(" values (");
strSql.Append("@ID,@Content,@userid,@PID,@username,@AddTime,@status,@articleid)");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@ID", DbType.Int32, 4),
new SQLiteParameter("@Content", DbType.String, 400),
new SQLiteParameter("@userid", DbType.Int32, 4),
new SQLiteParameter("@PID", DbType.Int32, 4),
new SQLiteParameter("@username", DbType.String, 50),
new SQLiteParameter("@AddTime", DbType.DateTime),
new SQLiteParameter("@status", DbType.Int32, 4),
new SQLiteParameter("@articleid", DbType.Int32, 4)
};
parameters[0].Value = model.ID;
parameters[1].Value = model.Content;
parameters[2].Value = model.userid;
parameters[3].Value = model.PID;
parameters[4].Value = model.username;
parameters[5].Value = model.AddTime;
parameters[6].Value = model.status;
parameters[7].Value = model.articleid;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MVCLite.Model.Comment GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select ID,Content,userid,PID,username,AddTime,status,articleid from Comment ");
strSql.Append(" where ID=@ID ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@ID", DbType.Int32, 4)
};
parameters[0].Value = ID;
MVCLite.Model.Comment model = new MVCLite.Model.Comment();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtContent.Text.Trim().Length == 0)
{
strErr += "Content不能为空！\\n";
}
if (!PageValidate.IsNumber(txtuserid.Text))
{
strErr += "userid格式错误！\\n";
}
if (!PageValidate.IsNumber(txtPID.Text))
{
strErr += "PID格式错误！\\n";
}
if (this.txtusername.Text.Trim().Length == 0)
{
strErr += "username不能为空！\\n";
}
if (!PageValidate.IsDateTime(txtAddTime.Text))
{
strErr += "AddTime格式错误！\\n";
}
if (!PageValidate.IsNumber(txtstatus.Text))
{
strErr += "status格式错误！\\n";
}
if (!PageValidate.IsNumber(txtarticleid.Text))
{
strErr += "articleid格式错误！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int ID = int.Parse(this.lblID.Text);
string Content = this.txtContent.Text;
int userid = int.Parse(this.txtuserid.Text);
int PID = int.Parse(this.txtPID.Text);
string username = this.txtusername.Text;
DateTime AddTime = DateTime.Parse(this.txtAddTime.Text);
int status = int.Parse(this.txtstatus.Text);
int articleid = int.Parse(this.txtarticleid.Text);
MVCLite.Model.Comment model = new MVCLite.Model.Comment();
model.ID = ID;
model.Content = Content;
model.userid = userid;
model.PID = PID;
model.username = username;
model.AddTime = AddTime;
model.status = status;
model.articleid = articleid;
MVCLite.BLL.Comment bll = new MVCLite.BLL.Comment();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
