Set the control type specified for asp.net traversal to read-only.

This article will introduce you to asp.net to set the control type to read-only. For more information, see.

The Code is as follows:

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Protected void TurnControlsReadOnly () { Foreach (Control obj in form1.Controls) { If (obj is TextBox) { // Obj. Attributes. Add ("readonly", "true "); (TextBox) obj). ReadOnly = true; } } Foreach (Control obja in form1.Controls) { If (obja is DropDownList) { (DropDownList) obja). Enabled = false; } } Foreach (Control objb in form1.Controls) { If (objb is Button) { (Button) objb). Visible = false; (Button) objb). Enabled = false;   } } Foreach (Control obja in form1.Controls) { If (obja is RadioButtonList) { (RadioButtonList) obja). Enabled = false; } }   DropSort. Enabled = false; // BtnUPloadIma. Visible = false; DdlCategory. Enabled = true; BtnSaveCategory. Visible = true; BtnSaveCategory. Enabled = true; TxtOtherCategory. ReadOnly = false; TxtSortOther. ReadOnly = true;   For (int I = 0; I <dlstProductImage. Items. Count; I ++) { DlstProductImage. Items [I]. FindControl ("lbtnDelete"). Visible = false; } FldBuyInfoImage. Visible = false; }