C# 从数据库中逐行将数据写入文本框
我想在表中逐行显示数据库中的数据 如何将数据库中的数据按行写入每个文本框 i、 e日期活动1、活动2等,然后是下一行日期活动1、活动2等。。 如何编写正确的循环 我尝试获取第一行数据的代码:C# 从数据库中逐行将数据写入文本框,c#,asp.net,datareader,C#,Asp.net,Datareader,我想在表中逐行显示数据库中的数据 如何将数据库中的数据按行写入每个文本框 i、 e日期活动1、活动2等,然后是下一行日期活动1、活动2等。。 如何编写正确的循环 我尝试获取第一行数据的代码: private void GetActivity() { try { CON = new OracleConnection(Connection); CON.Open(); OracleComma
private void GetActivity()
{
try
{
CON = new OracleConnection(Connection);
CON.Open();
OracleCommand COMMAND1 = new OracleCommand("Select ACTIVITYID,to_char(ACTIVITYDATE,'DD-MON-YYYY') as ACTIVITYDATE,TITLE,STARTTIME,ENDTIME,ACTIVITYTIME as TIMETAKEN from DAILY_ACTIVITIES1 where ACTIVITYDATE= (Select min(ACTIVITYDATE) from DAILY_ACTIVITIES1)", CON);
OracleDataReader READER = COMMAND1.ExecuteReader();
int count = READER.FieldCount;
if (READER.HasRows)
{
while (READER.Read())
{
if (Date1TextBox.Text == "")
{
Date1TextBox.Text = READER[1].ToString();
Date1TextBox.Enabled = false;
}
if (D1A1TextBox.Text == "")
{
D1A1TextBox.Text = "Title:" + READER[2].ToString() + "\n";
D1A1TextBox.Text += "Start-time:" + READER[3].ToString() + "\n";
D1A1TextBox.Text += "End-time:" + READER[4].ToString() + "\n";
D1A1TextBox.Text += "Timetaken:" + READER[5].ToString() + "\n";
D1A1TextBox.Enabled = false;
}
else
{
D1A1TextBox.Enabled = false;
}
if (D1A2TextBox.Text == "")
{
D1A2TextBox.Text = "Title:" + READER[2].ToString() + "\n";
D1A2TextBox.Text += "Start-time:" + READER[3].ToString() + "\n";
D1A2TextBox.Text += "End-time:" + READER[4].ToString() + "\n";
D1A2TextBox.Text += "Timetaken:" + READER[5].ToString() + "\n";
D1A2TextBox.Enabled = false;
}
else
{
D1A2TextBox.Enabled = false;
}
if (D1A3TextBox.Text == "")
{
D1A3TextBox.Text = "Title:" + READER[2].ToString() + "\n";
D1A3TextBox.Text += "Start-time:" + READER[3].ToString() + "\n";
D1A3TextBox.Text += "End-time:" + READER[4].ToString() + "\n";
D1A3TextBox.Text += "Timetaken:" + READER[5].ToString() + "\n";
D1A3TextBox.Enabled = false;
}
else
{
D1A3TextBox.Enabled = false;
}
if (D1A4TextBox.Text == "")
{
D1A4TextBox.Text = "Title:" + READER[2].ToString() + "\n";
D1A4TextBox.Text += "Start-time:" + READER[3].ToString() + "\n";
D1A4TextBox.Text += "End-time:" + READER[4].ToString() + "\n";
D1A4TextBox.Text += "Timetaken:" + READER[5].ToString() + "\n";
D1A4TextBox.Enabled = false;
}
else
{
D1A4TextBox.Enabled = false;
}
if (D1A5TextBox.Text == "")
{
D1A5TextBox.Text = "Title:" + READER[2].ToString() + "\n";
D1A5TextBox.Text += "Start-time:" + READER[3].ToString() + "\n";
D1A5TextBox.Text += "End-time:" + READER[4].ToString() + "\n";
D1A5TextBox.Text += "Timetaken:" + READER[5].ToString() + "\n";
D1A5TextBox.Enabled = false;
}
else
{
D1A5TextBox.Enabled = false;
}
if (D1A6TextBox.Text == "")
{
D1A6TextBox.Text = "Title:" + READER[2].ToString() + "\n";
D1A6TextBox.Text += "Start-time:" + READER[3].ToString() + "\n";
D1A6TextBox.Text += "End-time:" + READER[4].ToString() + "\n";
D1A6TextBox.Text += "Timetaken:" + READER[5].ToString() + "\n";
D1A6TextBox.Enabled = false;
}
else
{
D1A6TextBox.Enabled = false;
}
}
}
CON.Close();
}
catch (Exception et)
{
et.ToString();
}
}
使用GridView并将OracleCommand绑定为数据源。您可以自定义每个单元格以显示所需的数据,而无需执行任何循环或手动添加数千个文本框 以下是包含大量示例的文档: 您正在使用吗?,您可以在RowDataBound事件中一次创建行模板并绑定网格视图
这些是绑定gridview的简单方法。是一个很好的例子@kumartyr,根据您的需要,您不想使用Gridview 因此,我为动态文本框访问重写了GetActivity函数
kumartyr,你从哪里得到D1A1TextBox~D1A6TextBox?@AngusChung这些都是放置在表格第一行的文本框,multiline=true,即突出显示的一个是D1A3textbox,我知道,但你如何在GetActivity中直接使用它们?我在我的webformok的Pageload中调用此方法,我理解你的问题,你想要一个循环来做吗?
private void GetActivity()
{
try
{
CON = new OracleConnection(Connection);
CON.Open();
OracleCommand COMMAND1 = new OracleCommand("Select ACTIVITYID,to_char(ACTIVITYDATE,'DD-MON-YYYY') as ACTIVITYDATE,TITLE,STARTTIME,ENDTIME,ACTIVITYTIME as TIMETAKEN from DAILY_ACTIVITIES1 where ACTIVITYDATE= (Select min(ACTIVITYDATE) from DAILY_ACTIVITIES1)", CON);
OracleDataReader READER = COMMAND1.ExecuteReader();
int count = READER.FieldCount;
if (READER.HasRows)
{
int i = 1;
TextBox txtDate;
TextBox txtDA;
ContentPlaceHolder cph = (ContentPlaceHolder)this.Master.FindControl("MainContent");
while (READER.Read() && i <= 6)
{
if (i == 1)
{
txtDate = (TextBox)cph.FindControl(string.Format("Date{0}TextBox", i.ToString()));
txtDate.Text = READER[1].ToString();
txtDate.Enabled = false;
}
txtDA = (TextBox)cph.FindControl(string.Format("D1A{0}TextBox", i.ToString()));
if (txtDA.Text == "")
{
txtDA.Text = "Title:" + READER[2].ToString() + "\n";
txtDA.Text += "Start-time:" + READER[3].ToString() + "\n";
txtDA.Text += "End-time:" + READER[4].ToString() + "\n";
txtDA.Text += "Timetaken:" + READER[5].ToString() + "\n";
}
txtDA.Enabled = false;
i++;
}
}
CON.Close();
}
catch (Exception et)
{
et.ToString();
}
}