/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(zs.Model.Tbl_Zhuanye model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Tbl_Zhuanye set ");
strSql.Append("name=@name,");
strSql.Append("cont=@cont,");
strSql.Append("xueyuanid=@xueyuanid");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@name", SqlDbType.VarChar, 80),
new SqlParameter("@cont", SqlDbType.VarChar),
new SqlParameter("@xueyuanid", SqlDbType.Int, 4),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.name;
parameters[1].Value = model.cont;
parameters[2].Value = model.xueyuanid;
parameters[3].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_Zhuanye model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Tbl_Zhuanye(");
strSql.Append("name,cont,xueyuanid)");
strSql.Append(" values (");
strSql.Append("@name,@cont,@xueyuanid)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@name", SqlDbType.VarChar, 80),
new SqlParameter("@cont", SqlDbType.VarChar),
new SqlParameter("@xueyuanid", SqlDbType.Int, 4)
};
parameters[0].Value = model.name;
parameters[1].Value = model.cont;
parameters[2].Value = model.xueyuanid;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
protected void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtname.Text.Trim().Length == 0)
{
strErr += "name不能为空！\\n";
}
if (this.txtcont.Text.Trim().Length == 0)
{
strErr += "cont不能为空！\\n";
}
if (!PageValidate.IsNumber(txtxueyuanid.Text))
{
strErr += "xueyuanid格式错误！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
string name = this.txtname.Text;
string cont = this.txtcont.Text;
int xueyuanid = int.Parse(this.txtxueyuanid.Text);
zs.Model.Tbl_Zhuanye model = new zs.Model.Tbl_Zhuanye();
model.name = name;
model.cont = cont;
model.xueyuanid = xueyuanid;
zs.BLL.Tbl_Zhuanye bll = new zs.BLL.Tbl_Zhuanye();
bll.Add(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "add.aspx");
}
private void ShowInfo(int id)
{
zs.BLL.Tbl_Zhuanye bll = new zs.BLL.Tbl_Zhuanye();
zs.Model.Tbl_Zhuanye model = bll.GetModel(id);
this.lblid.Text = model.id.ToString();
this.lblname.Text = model.name;
this.lblcont.Text = model.cont;
this.lblxueyuanid.Text = model.xueyuanid.ToString();
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public zs.Model.Tbl_Zhuanye GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,name,cont,xueyuanid from Tbl_Zhuanye ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
zs.Model.Tbl_Zhuanye model = new zs.Model.Tbl_Zhuanye();
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]["name"] != null && ds.Tables[0].Rows[0]["name"].ToString() != "")
{
model.name = ds.Tables[0].Rows[0]["name"].ToString();
}
if (ds.Tables[0].Rows[0]["cont"] != null && ds.Tables[0].Rows[0]["cont"].ToString() != "")
{
model.cont = ds.Tables[0].Rows[0]["cont"].ToString();
}
if (ds.Tables[0].Rows[0]["xueyuanid"] != null && ds.Tables[0].Rows[0]["xueyuanid"].ToString() != "")
{
model.xueyuanid = int.Parse(ds.Tables[0].Rows[0]["xueyuanid"].ToString());
}
return(model);
}
else
{
return(null);
}
}