文字在页面加载时消失

问题描述

大家好，
我有一个asp.net Web应用程序.在那我有一个表单，在我有的表单中

1.)4个文本框
2.)两个组合框
3.)四个按钮


我在第一个文本框中输入了文本，然后从这两个组合框中选择了该项.现在有另一个文本框和

在其前面名为添加"的按钮.在该文本框中输入文本后单击添加时，
中的整个条目
失踪.实际上，我有一个主按钮名称为save ..我想保存所有信息，但在该页面之前

加载，所有信息都消失了.

页面加载时如何保存文本..我从过去16天开始苦苦挣扎，但仍未找到解决方法...
这是我的页面加载，所有控件的所有Enableviewstate均为true

Hello to all,
I have an asp.net web application.In that i have a form,In the form I have

1.) 4 Text box
2.) two combo box
3.) Four buttons


I entered the text in first text box and select the item from those two combobox. Now there is another textbox and a

button named as add in front of it. When clicks on add after entering the text in that text box, the whole entry from the

form disaapears. Actually I have a main button names as save..I wants to save all the information but before that page

loads and all the information become disappears.

How could i hold the text when page load..I am struggling from last 16 days,yet not get the solution...
This is my page load and all Enableviewstate is true for all controls

protected void Page_Load(object sender, EventArgs e)
{
//page load
if (!Page.IsPostBack)
{
//if (Request.QueryString["id"] != null)
//{

//}
//else if (Request.QueryString["id"] == null)
//{
//btnSubmitAll.Visible = true;
//laberror.Visible = false;
//btnUpdate.Visible = false;
//btnUpdatePro.Visible = false;
//btnUpdateRef.Visible = false;
//btnUpdateStatus.Visible = false;

ds1 = con.ExecuteSPDS("TypeOfDll", "0", "ddlDailyReport");
if (ds1.Tables.Count > 0)
{
if (ds1.Tables[1].Rows.Count > 0)
{
ddlProduct.DataSource = ds1.Tables[1];
ddlProduct.DataTextField = "ProductName";
ddlProduct.DataValueField = "Id";
ddlProduct.DataBind();
ddlProduct.SelectedValue = "0";
}

if (ds1.Tables[0].Rows.Count > 0)
{
ddlHOffState.DataSource = ds1.Tables[0];
ddlHOffState.DataTextField = "State";
ddlHOffState.DataValueField = "Id";
ddlHOffState.DataBind();
ddlHOffState.SelectedValue = "0";
}

if (ds1.Tables[2].Rows.Count > 0)
{
ddlref.DataSource = ds1.Tables[2];
ddlref.DataTextField = "Reference";
ddlref.DataValueField = "Id";
ddlref.DataBind();
ddlref.SelectedValue = "0";
}

if (ds1.Tables[3].Rows.Count > 0)
{
ddlstatus.DataSource = ds1.Tables[3];
ddlstatus.DataTextField = "SalesStatus";
ddlstatus.DataValueField = "Id";
ddlstatus.DataBind();
ddlstatus.SelectedValue = "0";
}

if (ds1.Tables[4].Rows.Count > 0)
{
ddlOffType.DataSource = ds1.Tables[4];
ddlOffType.DataTextField = "OffType";
ddlOffType.DataValueField = "Id";
ddlOffType.DataBind();
ddlOffType.SelectedValue = "0";
}
//}

//fill ds for grids//
}

}
if (Request.QueryString["id"] != null)
{
Filleditgrid();
}
else if (Request.QueryString["id"] == null)
{
FillDs();
}


// btnUpdOffContact.Visible = false;

}

从答案移出代码块[/编辑]
请帮助我

code block moved from answer[/Edit]
Plz help me

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