我正在尝试通过编码从详细信息视图将数据插入或更新到数据库中。无需为详细信息视图提供数据源,因为它非常简单。我想以编程方式进行。
正如我所说,我没有直接提供数据源。我在页面加载时做到了。
static string conn = ConfigurationManager.ConnectionStrings["AptechConnectionString"].ConnectionString;
SqlConnection con = new SqlConnection(conn);
protected void Page_Load(object sender, EventArgs e)
{
DetailsView1.AutoGenerateInsertButton = true;
DetailsView1.AutoGenerateEditButton = true;
DetailsView1.AutoGenerateDeleteButton = true;
Data_Bind();
}
public void Data_Bind()
{
string query = "select * from students";
SqlCommand cmd = new SqlCommand(query, con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
da.Fill(dt);
DetailsView1.DataSource = dt;
DetailsView1.DataBind();
ViewState["Data"] = dt;
}
我试着像我们在gridview中那样做
protected void DetailsView1_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
try
{
id = (TextBox)DetailsView1.Rows[0].Cells[1].FindControl("TextBox1");
name = (TextBox)DetailsView1.Rows[0].Cells[1].FindControl("TextBox2");
batch = (TextBox)DetailsView1.Rows[0].Cells[1].FindControl("TextBox3");
enrolled = (TextBox)DetailsView1.Rows[0].Cells[1].FindControl("TextBox4");
teacher = (TextBox)DetailsView1.Rows[0].Cells[1].FindControl("TextBox5");
}
catch (Exception ex)
{
Label1.Text = ex.Message;
Label1.Visible = true;
}
}
protected void DetailsView1_ItemCommand(object sender, DetailsViewCommandEventArgs e)
{
switch (e.CommandName.ToString())
{
case "New":
DetailsView1.ChangeMode(DetailsViewMode.Insert);
Data_Bind();
break;
}
}
但是,当我单击编辑或插入链接按钮时,它给了我这个错误
DetailsView 'DetailsView1' 触发了未处理的事件 ModeChanging。”
我错过了什么?