/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(zs.Model.Tbl_User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Tbl_User set ");
strSql.Append("userName=@userName,");
strSql.Append("userPsw=@userPsw");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@userName", SqlDbType.VarChar, 50),
new SqlParameter("@userPsw", SqlDbType.VarChar, 70),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.userName;
parameters[1].Value = model.userPsw;
parameters[2].Value = model.id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(zs.Model.Tbl_User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Tbl_User(");
strSql.Append("userName,userPsw)");
strSql.Append(" values (");
strSql.Append("@userName,@userPsw)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@userName", SqlDbType.VarChar, 50),
new SqlParameter("@userPsw", SqlDbType.VarChar, 70)
};
parameters[0].Value = model.userName;
parameters[1].Value = model.userPsw;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtuserName.Text.Trim().Length == 0)
{
strErr += "userName不能为空！\\n";
}
if (this.txtuserPsw.Text.Trim().Length == 0)
{
strErr += "userPsw不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int id = int.Parse(this.lblid.Text);
string userName = this.txtuserName.Text;
string userPsw = this.txtuserPsw.Text;
zs.Model.Tbl_User model = new zs.Model.Tbl_User();
model.id = id;
model.userName = userName;
model.userPsw = userPsw;
zs.BLL.Tbl_User bll = new zs.BLL.Tbl_User();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
private void ShowInfo(int id)
{
zs.BLL.Tbl_User bll = new zs.BLL.Tbl_User();
zs.Model.Tbl_User model = bll.GetModel(id);
this.lblid.Text = model.id.ToString();
this.txtuserName.Text = model.userName;
this.txtuserPsw.Text = model.userPsw;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public zs.Model.Tbl_User GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,userName,userPsw from Tbl_User ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
zs.Model.Tbl_User model = new zs.Model.Tbl_User();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"] != null && ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
if (ds.Tables[0].Rows[0]["userName"] != null && ds.Tables[0].Rows[0]["userName"].ToString() != "")
{
model.userName = ds.Tables[0].Rows[0]["userName"].ToString();
}
if (ds.Tables[0].Rows[0]["userPsw"] != null && ds.Tables[0].Rows[0]["userPsw"].ToString() != "")
{
model.userPsw = ds.Tables[0].Rows[0]["userPsw"].ToString();
}
return(model);
}
else
{
return(null);
}
}
